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Finding the Third Proportional to 103,635 and 157,478

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Solution

The third proportional to 103,635 and 157,478 is: 239,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635 : 157,478 = 157,478 : x
  2. Step 2: Convert to fraction form
    103,635/157,478 = 157,478/x
  3. Step 3: Cross multiply
    103,635x = 157,478 × 157,478
  4. Step 4: Simplify right side
    103,635x = 24,799,320,484
  5. Step 5: Solve for x
    x = 24,799,320,484/103,635
  6. Step 6: Final answer
    x = 239,294.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.