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Finding the Third Proportional to 6,468.75 and 10,020.09

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Solution

The third proportional to 6,468.75 and 10,020.09 is: 15,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.75 : 10,020.09 = 10,020.09 : x
  2. Step 2: Convert to fraction form
    6,468.75/10,020.09 = 10,020.09/x
  3. Step 3: Cross multiply
    6,468.75x = 10,020.09 × 10,020.09
  4. Step 4: Simplify right side
    6,468.75x = 100,402,278.76
  5. Step 5: Solve for x
    x = 100,402,278.76/6,468.75
  6. Step 6: Final answer
    x = 15,521.13

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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.