Home / 131,812-288,712

Finding the Third Proportional to 131,812 and 288,712

Calculator

Solution

The third proportional to 131,812 and 288,712 is: 632,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812 : 288,712 = 288,712 : x
  2. Step 2: Convert to fraction form
    131,812/288,712 = 288,712/x
  3. Step 3: Cross multiply
    131,812x = 288,712 × 288,712
  4. Step 4: Simplify right side
    131,812x = 83,354,618,944
  5. Step 5: Solve for x
    x = 83,354,618,944/131,812
  6. Step 6: Final answer
    x = 632,375.04

Related Problems

Find third proportional to 65,906 and 144,356
Half scale
Find third proportional to 263,624 and 577,424
Double scale
Find third proportional to 131,814 and 288,716
Similar ratio
Find third proportional to 197,718 and 433,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.