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Finding the Third Proportional to 6,418.13 and 9,933.19

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Solution

The third proportional to 6,418.13 and 9,933.19 is: 15,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.13 : 9,933.19 = 9,933.19 : x
  2. Step 2: Convert to fraction form
    6,418.13/9,933.19 = 9,933.19/x
  3. Step 3: Cross multiply
    6,418.13x = 9,933.19 × 9,933.19
  4. Step 4: Simplify right side
    6,418.13x = 98,668,213.91
  5. Step 5: Solve for x
    x = 98,668,213.91/6,418.13
  6. Step 6: Final answer
    x = 15,373.37

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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.