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Finding the Third Proportional to 6,169.21 and 9,935.12

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Solution

The third proportional to 6,169.21 and 9,935.12 is: 15,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.21 : 9,935.12 = 9,935.12 : x
  2. Step 2: Convert to fraction form
    6,169.21/9,935.12 = 9,935.12/x
  3. Step 3: Cross multiply
    6,169.21x = 9,935.12 × 9,935.12
  4. Step 4: Simplify right side
    6,169.21x = 98,706,543.83
  5. Step 5: Solve for x
    x = 98,706,543.83/6,169.21
  6. Step 6: Final answer
    x = 15,999.87

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.