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Finding the Third Proportional to 157,937 and 342,118

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Solution

The third proportional to 157,937 and 342,118 is: 741,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,937 : 342,118 = 342,118 : x
  2. Step 2: Convert to fraction form
    157,937/342,118 = 342,118/x
  3. Step 3: Cross multiply
    157,937x = 342,118 × 342,118
  4. Step 4: Simplify right side
    157,937x = 117,044,725,924
  5. Step 5: Solve for x
    x = 117,044,725,924/157,937
  6. Step 6: Final answer
    x = 741,084.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.