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Finding the Third Proportional to 48,942 and 74,439

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Solution

The third proportional to 48,942 and 74,439 is: 113,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,942 : 74,439 = 74,439 : x
  2. Step 2: Convert to fraction form
    48,942/74,439 = 74,439/x
  3. Step 3: Cross multiply
    48,942x = 74,439 × 74,439
  4. Step 4: Simplify right side
    48,942x = 5,541,164,721
  5. Step 5: Solve for x
    x = 5,541,164,721/48,942
  6. Step 6: Final answer
    x = 113,219.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.