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Finding the Third Proportional to 89,479.13 and 131,211.75

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Solution

The third proportional to 89,479.13 and 131,211.75 is: 192,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.13 : 131,211.75 = 131,211.75 : x
  2. Step 2: Convert to fraction form
    89,479.13/131,211.75 = 131,211.75/x
  3. Step 3: Cross multiply
    89,479.13x = 131,211.75 × 131,211.75
  4. Step 4: Simplify right side
    89,479.13x = 17,216,523,338.06
  5. Step 5: Solve for x
    x = 17,216,523,338.06/89,479.13
  6. Step 6: Final answer
    x = 192,408.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.