Home / 306,820.50-656,286

Finding the Third Proportional to 306,820.50 and 656,286

Calculator

Solution

The third proportional to 306,820.50 and 656,286 is: 1,403,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,820.50 : 656,286 = 656,286 : x
  2. Step 2: Convert to fraction form
    306,820.50/656,286 = 656,286/x
  3. Step 3: Cross multiply
    306,820.50x = 656,286 × 656,286
  4. Step 4: Simplify right side
    306,820.50x = 430,711,313,796
  5. Step 5: Solve for x
    x = 430,711,313,796/306,820.50
  6. Step 6: Final answer
    x = 1,403,789.23

Related Problems

Find third proportional to 153,410.25 and 328,143
Half scale
Find third proportional to 613,641 and 1,312,572
Double scale
Find third proportional to 306,823 and 656,290
Similar ratio
Find third proportional to 460,230.75 and 984,429
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.