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Finding the Third Proportional to 4,422.88 and 9,666.13

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Solution

The third proportional to 4,422.88 and 9,666.13 is: 21,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.88 : 9,666.13 = 9,666.13 : x
  2. Step 2: Convert to fraction form
    4,422.88/9,666.13 = 9,666.13/x
  3. Step 3: Cross multiply
    4,422.88x = 9,666.13 × 9,666.13
  4. Step 4: Simplify right side
    4,422.88x = 93,433,972.52
  5. Step 5: Solve for x
    x = 93,433,972.52/4,422.88
  6. Step 6: Final answer
    x = 21,125.17

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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.