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Finding the Third Proportional to 13,816.13 and 29,917.13

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Solution

The third proportional to 13,816.13 and 29,917.13 is: 64,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.13 : 29,917.13 = 29,917.13 : x
  2. Step 2: Convert to fraction form
    13,816.13/29,917.13 = 29,917.13/x
  3. Step 3: Cross multiply
    13,816.13x = 29,917.13 × 29,917.13
  4. Step 4: Simplify right side
    13,816.13x = 895,034,368.27
  5. Step 5: Solve for x
    x = 895,034,368.27/13,816.13
  6. Step 6: Final answer
    x = 64,781.87

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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.