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Finding the Third Proportional to 71,373 and 96,139

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Solution

The third proportional to 71,373 and 96,139 is: 129,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373 : 96,139 = 96,139 : x
  2. Step 2: Convert to fraction form
    71,373/96,139 = 96,139/x
  3. Step 3: Cross multiply
    71,373x = 96,139 × 96,139
  4. Step 4: Simplify right side
    71,373x = 9,242,707,321
  5. Step 5: Solve for x
    x = 9,242,707,321/71,373
  6. Step 6: Final answer
    x = 129,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.