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Finding the Third Proportional to 86,676 and 137,532

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Solution

The third proportional to 86,676 and 137,532 is: 218,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676 : 137,532 = 137,532 : x
  2. Step 2: Convert to fraction form
    86,676/137,532 = 137,532/x
  3. Step 3: Cross multiply
    86,676x = 137,532 × 137,532
  4. Step 4: Simplify right side
    86,676x = 18,915,051,024
  5. Step 5: Solve for x
    x = 18,915,051,024/86,676
  6. Step 6: Final answer
    x = 218,227.09

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.