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Finding the Third Proportional to 13,674 and 29,720

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Solution

The third proportional to 13,674 and 29,720 is: 64,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674 : 29,720 = 29,720 : x
  2. Step 2: Convert to fraction form
    13,674/29,720 = 29,720/x
  3. Step 3: Cross multiply
    13,674x = 29,720 × 29,720
  4. Step 4: Simplify right side
    13,674x = 883,278,400
  5. Step 5: Solve for x
    x = 883,278,400/13,674
  6. Step 6: Final answer
    x = 64,595.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.