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Finding the Third Proportional to 5,140.13 and 11,008.69

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Solution

The third proportional to 5,140.13 and 11,008.69 is: 23,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.13 : 11,008.69 = 11,008.69 : x
  2. Step 2: Convert to fraction form
    5,140.13/11,008.69 = 11,008.69/x
  3. Step 3: Cross multiply
    5,140.13x = 11,008.69 × 11,008.69
  4. Step 4: Simplify right side
    5,140.13x = 121,191,200.47
  5. Step 5: Solve for x
    x = 121,191,200.47/5,140.13
  6. Step 6: Final answer
    x = 23,577.48

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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.