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Finding the Third Proportional to 19,415 and 41,374

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Solution

The third proportional to 19,415 and 41,374 is: 88,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415 : 41,374 = 41,374 : x
  2. Step 2: Convert to fraction form
    19,415/41,374 = 41,374/x
  3. Step 3: Cross multiply
    19,415x = 41,374 × 41,374
  4. Step 4: Simplify right side
    19,415x = 1,711,807,876
  5. Step 5: Solve for x
    x = 1,711,807,876/19,415
  6. Step 6: Final answer
    x = 88,169.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.