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Finding the Third Proportional to 21,760.88 and 29,359.13

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Solution

The third proportional to 21,760.88 and 29,359.13 is: 39,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.88 : 29,359.13 = 29,359.13 : x
  2. Step 2: Convert to fraction form
    21,760.88/29,359.13 = 29,359.13/x
  3. Step 3: Cross multiply
    21,760.88x = 29,359.13 × 29,359.13
  4. Step 4: Simplify right side
    21,760.88x = 861,958,220.77
  5. Step 5: Solve for x
    x = 861,958,220.77/21,760.88
  6. Step 6: Final answer
    x = 39,610.46

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.