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Finding the Third Proportional to 72,894 and 95,715

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Solution

The third proportional to 72,894 and 95,715 is: 125,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894 : 95,715 = 95,715 : x
  2. Step 2: Convert to fraction form
    72,894/95,715 = 95,715/x
  3. Step 3: Cross multiply
    72,894x = 95,715 × 95,715
  4. Step 4: Simplify right side
    72,894x = 9,161,361,225
  5. Step 5: Solve for x
    x = 9,161,361,225/72,894
  6. Step 6: Final answer
    x = 125,680.59

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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.