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Finding the Third Proportional to 83,760 and 110,088

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Solution

The third proportional to 83,760 and 110,088 is: 144,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760 : 110,088 = 110,088 : x
  2. Step 2: Convert to fraction form
    83,760/110,088 = 110,088/x
  3. Step 3: Cross multiply
    83,760x = 110,088 × 110,088
  4. Step 4: Simplify right side
    83,760x = 12,119,367,744
  5. Step 5: Solve for x
    x = 12,119,367,744/83,760
  6. Step 6: Final answer
    x = 144,691.59

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.