Home / 331,938,513-487,145,785.50

Finding the Third Proportional to 331,938,513 and 487,145,785.50

Calculator

Solution

The third proportional to 331,938,513 and 487,145,785.50 is: 714,924,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,938,513 : 487,145,785.50 = 487,145,785.50 : x
  2. Step 2: Convert to fraction form
    331,938,513/487,145,785.50 = 487,145,785.50/x
  3. Step 3: Cross multiply
    331,938,513x = 487,145,785.50 × 487,145,785.50
  4. Step 4: Simplify right side
    331,938,513x = 237,311,016,330,412,000
  5. Step 5: Solve for x
    x = 237,311,016,330,412,000/331,938,513
  6. Step 6: Final answer
    x = 714,924,623.19

Related Problems

Find third proportional to 165,969,256.50 and 243,572,892.75
Half scale
Find third proportional to 663,877,026 and 974,291,571
Double scale
Find third proportional to 331,938,515 and 487,145,788
Similar ratio
Find third proportional to 497,907,769.50 and 730,718,678.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.