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Finding the Third Proportional to 6,387.75 and 14,005.13

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Solution

The third proportional to 6,387.75 and 14,005.13 is: 30,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.75 : 14,005.13 = 14,005.13 : x
  2. Step 2: Convert to fraction form
    6,387.75/14,005.13 = 14,005.13/x
  3. Step 3: Cross multiply
    6,387.75x = 14,005.13 × 14,005.13
  4. Step 4: Simplify right side
    6,387.75x = 196,143,526.27
  5. Step 5: Solve for x
    x = 196,143,526.27/6,387.75
  6. Step 6: Final answer
    x = 30,706.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.