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Finding the Third Proportional to 13,357.13 and 20,764.69

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Solution

The third proportional to 13,357.13 and 20,764.69 is: 32,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.13 : 20,764.69 = 20,764.69 : x
  2. Step 2: Convert to fraction form
    13,357.13/20,764.69 = 20,764.69/x
  3. Step 3: Cross multiply
    13,357.13x = 20,764.69 × 20,764.69
  4. Step 4: Simplify right side
    13,357.13x = 431,172,246.97
  5. Step 5: Solve for x
    x = 431,172,246.97/13,357.13
  6. Step 6: Final answer
    x = 32,280.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.