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Finding the Third Proportional to 63,394 and 91,371

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Solution

The third proportional to 63,394 and 91,371 is: 131,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394 : 91,371 = 91,371 : x
  2. Step 2: Convert to fraction form
    63,394/91,371 = 91,371/x
  3. Step 3: Cross multiply
    63,394x = 91,371 × 91,371
  4. Step 4: Simplify right side
    63,394x = 8,348,659,641
  5. Step 5: Solve for x
    x = 8,348,659,641/63,394
  6. Step 6: Final answer
    x = 131,694.79

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.