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Finding the Third Proportional to 42,376 and 92,816

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Solution

The third proportional to 42,376 and 92,816 is: 203,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376 : 92,816 = 92,816 : x
  2. Step 2: Convert to fraction form
    42,376/92,816 = 92,816/x
  3. Step 3: Cross multiply
    42,376x = 92,816 × 92,816
  4. Step 4: Simplify right side
    42,376x = 8,614,809,856
  5. Step 5: Solve for x
    x = 8,614,809,856/42,376
  6. Step 6: Final answer
    x = 203,294.55

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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.