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Finding the Third Proportional to 71,591 and 110,091

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Solution

The third proportional to 71,591 and 110,091 is: 169,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591 : 110,091 = 110,091 : x
  2. Step 2: Convert to fraction form
    71,591/110,091 = 110,091/x
  3. Step 3: Cross multiply
    71,591x = 110,091 × 110,091
  4. Step 4: Simplify right side
    71,591x = 12,120,028,281
  5. Step 5: Solve for x
    x = 12,120,028,281/71,591
  6. Step 6: Final answer
    x = 169,295.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.