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Finding the Third Proportional to 44,768 and 61,872

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Solution

The third proportional to 44,768 and 61,872 is: 85,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,768 : 61,872 = 61,872 : x
  2. Step 2: Convert to fraction form
    44,768/61,872 = 61,872/x
  3. Step 3: Cross multiply
    44,768x = 61,872 × 61,872
  4. Step 4: Simplify right side
    44,768x = 3,828,144,384
  5. Step 5: Solve for x
    x = 3,828,144,384/44,768
  6. Step 6: Final answer
    x = 85,510.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.