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Finding the Third Proportional to 157,517 and 252,676

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Solution

The third proportional to 157,517 and 252,676 is: 405,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517 : 252,676 = 252,676 : x
  2. Step 2: Convert to fraction form
    157,517/252,676 = 252,676/x
  3. Step 3: Cross multiply
    157,517x = 252,676 × 252,676
  4. Step 4: Simplify right side
    157,517x = 63,845,160,976
  5. Step 5: Solve for x
    x = 63,845,160,976/157,517
  6. Step 6: Final answer
    x = 405,322.35

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.