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Finding the Third Proportional to 5,329.13 and 11,287.69

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Solution

The third proportional to 5,329.13 and 11,287.69 is: 23,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.13 : 11,287.69 = 11,287.69 : x
  2. Step 2: Convert to fraction form
    5,329.13/11,287.69 = 11,287.69/x
  3. Step 3: Cross multiply
    5,329.13x = 11,287.69 × 11,287.69
  4. Step 4: Simplify right side
    5,329.13x = 127,411,889.10
  5. Step 5: Solve for x
    x = 127,411,889.10/5,329.13
  6. Step 6: Final answer
    x = 23,908.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.