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Finding the Third Proportional to 157,528 and 345,676

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Solution

The third proportional to 157,528 and 345,676 is: 758,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528 : 345,676 = 345,676 : x
  2. Step 2: Convert to fraction form
    157,528/345,676 = 345,676/x
  3. Step 3: Cross multiply
    157,528x = 345,676 × 345,676
  4. Step 4: Simplify right side
    157,528x = 119,491,896,976
  5. Step 5: Solve for x
    x = 119,491,896,976/157,528
  6. Step 6: Final answer
    x = 758,543.86

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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.