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Finding the Third Proportional to 49,398 and 74,523

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Solution

The third proportional to 49,398 and 74,523 is: 112,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398 : 74,523 = 74,523 : x
  2. Step 2: Convert to fraction form
    49,398/74,523 = 74,523/x
  3. Step 3: Cross multiply
    49,398x = 74,523 × 74,523
  4. Step 4: Simplify right side
    49,398x = 5,553,677,529
  5. Step 5: Solve for x
    x = 5,553,677,529/49,398
  6. Step 6: Final answer
    x = 112,427.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.