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Finding the Third Proportional to 29,872 and 44,648

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Solution

The third proportional to 29,872 and 44,648 is: 66,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872 : 44,648 = 44,648 : x
  2. Step 2: Convert to fraction form
    29,872/44,648 = 44,648/x
  3. Step 3: Cross multiply
    29,872x = 44,648 × 44,648
  4. Step 4: Simplify right side
    29,872x = 1,993,443,904
  5. Step 5: Solve for x
    x = 1,993,443,904/29,872
  6. Step 6: Final answer
    x = 66,732.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.