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Finding the Third Proportional to 71,934 and 108,900

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Solution

The third proportional to 71,934 and 108,900 is: 164,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934 : 108,900 = 108,900 : x
  2. Step 2: Convert to fraction form
    71,934/108,900 = 108,900/x
  3. Step 3: Cross multiply
    71,934x = 108,900 × 108,900
  4. Step 4: Simplify right side
    71,934x = 11,859,210,000
  5. Step 5: Solve for x
    x = 11,859,210,000/71,934
  6. Step 6: Final answer
    x = 164,862.37

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