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Finding the Third Proportional to 20,472 and 44,840

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Solution

The third proportional to 20,472 and 44,840 is: 98,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472 : 44,840 = 44,840 : x
  2. Step 2: Convert to fraction form
    20,472/44,840 = 44,840/x
  3. Step 3: Cross multiply
    20,472x = 44,840 × 44,840
  4. Step 4: Simplify right side
    20,472x = 2,010,625,600
  5. Step 5: Solve for x
    x = 2,010,625,600/20,472
  6. Step 6: Final answer
    x = 98,213.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.