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Finding the Third Proportional to 102,400 and 155,032

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Solution

The third proportional to 102,400 and 155,032 is: 234,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,400 : 155,032 = 155,032 : x
  2. Step 2: Convert to fraction form
    102,400/155,032 = 155,032/x
  3. Step 3: Cross multiply
    102,400x = 155,032 × 155,032
  4. Step 4: Simplify right side
    102,400x = 24,034,921,024
  5. Step 5: Solve for x
    x = 24,034,921,024/102,400
  6. Step 6: Final answer
    x = 234,716.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.