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Finding the Third Proportional to 68,070 and 149,713

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Solution

The third proportional to 68,070 and 149,713 is: 329,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,070 : 149,713 = 149,713 : x
  2. Step 2: Convert to fraction form
    68,070/149,713 = 149,713/x
  3. Step 3: Cross multiply
    68,070x = 149,713 × 149,713
  4. Step 4: Simplify right side
    68,070x = 22,413,982,369
  5. Step 5: Solve for x
    x = 22,413,982,369/68,070
  6. Step 6: Final answer
    x = 329,278.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.