Home / 306,728-656,102

Finding the Third Proportional to 306,728 and 656,102

Calculator

Solution

The third proportional to 306,728 and 656,102 is: 1,403,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,728 : 656,102 = 656,102 : x
  2. Step 2: Convert to fraction form
    306,728/656,102 = 656,102/x
  3. Step 3: Cross multiply
    306,728x = 656,102 × 656,102
  4. Step 4: Simplify right side
    306,728x = 430,469,834,404
  5. Step 5: Solve for x
    x = 430,469,834,404/306,728
  6. Step 6: Final answer
    x = 1,403,425.30

Related Problems

Find third proportional to 153,364 and 328,051
Half scale
Find third proportional to 613,456 and 1,312,204
Double scale
Find third proportional to 306,730 and 656,106
Similar ratio
Find third proportional to 460,092 and 984,153
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.