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Finding the Third Proportional to 17,515.13 and 38,710.13

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Solution

The third proportional to 17,515.13 and 38,710.13 is: 85,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.13 : 38,710.13 = 38,710.13 : x
  2. Step 2: Convert to fraction form
    17,515.13/38,710.13 = 38,710.13/x
  3. Step 3: Cross multiply
    17,515.13x = 38,710.13 × 38,710.13
  4. Step 4: Simplify right side
    17,515.13x = 1,498,473,777.52
  5. Step 5: Solve for x
    x = 1,498,473,777.52/17,515.13
  6. Step 6: Final answer
    x = 85,553.13

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.