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Finding the Third Proportional to 71,359 and 110,917

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Solution

The third proportional to 71,359 and 110,917 is: 172,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359 : 110,917 = 110,917 : x
  2. Step 2: Convert to fraction form
    71,359/110,917 = 110,917/x
  3. Step 3: Cross multiply
    71,359x = 110,917 × 110,917
  4. Step 4: Simplify right side
    71,359x = 12,302,580,889
  5. Step 5: Solve for x
    x = 12,302,580,889/71,359
  6. Step 6: Final answer
    x = 172,404.05

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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.