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Finding the Third Proportional to 40,374 and 61,974

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Solution

The third proportional to 40,374 and 61,974 is: 95,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374 : 61,974 = 61,974 : x
  2. Step 2: Convert to fraction form
    40,374/61,974 = 61,974/x
  3. Step 3: Cross multiply
    40,374x = 61,974 × 61,974
  4. Step 4: Simplify right side
    40,374x = 3,840,776,676
  5. Step 5: Solve for x
    x = 3,840,776,676/40,374
  6. Step 6: Final answer
    x = 95,129.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.