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Finding the Third Proportional to 70,239 and 124,902

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Solution

The third proportional to 70,239 and 124,902 is: 222,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,239 : 124,902 = 124,902 : x
  2. Step 2: Convert to fraction form
    70,239/124,902 = 124,902/x
  3. Step 3: Cross multiply
    70,239x = 124,902 × 124,902
  4. Step 4: Simplify right side
    70,239x = 15,600,509,604
  5. Step 5: Solve for x
    x = 15,600,509,604/70,239
  6. Step 6: Final answer
    x = 222,106.09

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.