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Finding the Third Proportional to 103,640 and 157,484

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Solution

The third proportional to 103,640 and 157,484 is: 239,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640 : 157,484 = 157,484 : x
  2. Step 2: Convert to fraction form
    103,640/157,484 = 157,484/x
  3. Step 3: Cross multiply
    103,640x = 157,484 × 157,484
  4. Step 4: Simplify right side
    103,640x = 24,801,210,256
  5. Step 5: Solve for x
    x = 24,801,210,256/103,640
  6. Step 6: Final answer
    x = 239,301.53

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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.