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Finding the Third Proportional to 42,612 and 92,915

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Solution

The third proportional to 42,612 and 92,915 is: 202,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612 : 92,915 = 92,915 : x
  2. Step 2: Convert to fraction form
    42,612/92,915 = 92,915/x
  3. Step 3: Cross multiply
    42,612x = 92,915 × 92,915
  4. Step 4: Simplify right side
    42,612x = 8,633,197,225
  5. Step 5: Solve for x
    x = 8,633,197,225/42,612
  6. Step 6: Final answer
    x = 202,600.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.