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Finding the Third Proportional to 71,016 and 110,418

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Solution

The third proportional to 71,016 and 110,418 is: 171,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016 : 110,418 = 110,418 : x
  2. Step 2: Convert to fraction form
    71,016/110,418 = 110,418/x
  3. Step 3: Cross multiply
    71,016x = 110,418 × 110,418
  4. Step 4: Simplify right side
    71,016x = 12,192,134,724
  5. Step 5: Solve for x
    x = 12,192,134,724/71,016
  6. Step 6: Final answer
    x = 171,681.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.