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Finding the Third Proportional to 102,438 and 153,954

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Solution

The third proportional to 102,438 and 153,954 is: 231,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,438 : 153,954 = 153,954 : x
  2. Step 2: Convert to fraction form
    102,438/153,954 = 153,954/x
  3. Step 3: Cross multiply
    102,438x = 153,954 × 153,954
  4. Step 4: Simplify right side
    102,438x = 23,701,834,116
  5. Step 5: Solve for x
    x = 23,701,834,116/102,438
  6. Step 6: Final answer
    x = 231,377.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.