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Finding the Third Proportional to 42,279 and 92,481

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Solution

The third proportional to 42,279 and 92,481 is: 202,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279 : 92,481 = 92,481 : x
  2. Step 2: Convert to fraction form
    42,279/92,481 = 92,481/x
  3. Step 3: Cross multiply
    42,279x = 92,481 × 92,481
  4. Step 4: Simplify right side
    42,279x = 8,552,735,361
  5. Step 5: Solve for x
    x = 8,552,735,361/42,279
  6. Step 6: Final answer
    x = 202,292.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.