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Finding the Third Proportional to 7,288.13 and 15,613.13

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Solution

The third proportional to 7,288.13 and 15,613.13 is: 33,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.13 : 15,613.13 = 15,613.13 : x
  2. Step 2: Convert to fraction form
    7,288.13/15,613.13 = 15,613.13/x
  3. Step 3: Cross multiply
    7,288.13x = 15,613.13 × 15,613.13
  4. Step 4: Simplify right side
    7,288.13x = 243,769,672.27
  5. Step 5: Solve for x
    x = 243,769,672.27/7,288.13
  6. Step 6: Final answer
    x = 33,447.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.