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Finding the Third Proportional to 6,409.13 and 13,668.75

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Solution

The third proportional to 6,409.13 and 13,668.75 is: 29,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.13 : 13,668.75 = 13,668.75 : x
  2. Step 2: Convert to fraction form
    6,409.13/13,668.75 = 13,668.75/x
  3. Step 3: Cross multiply
    6,409.13x = 13,668.75 × 13,668.75
  4. Step 4: Simplify right side
    6,409.13x = 186,834,726.56
  5. Step 5: Solve for x
    x = 186,834,726.56/6,409.13
  6. Step 6: Final answer
    x = 29,151.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.