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Finding the Third Proportional to 17,988.75 and 38,576.25

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Solution

The third proportional to 17,988.75 and 38,576.25 is: 82,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.75 : 38,576.25 = 38,576.25 : x
  2. Step 2: Convert to fraction form
    17,988.75/38,576.25 = 38,576.25/x
  3. Step 3: Cross multiply
    17,988.75x = 38,576.25 × 38,576.25
  4. Step 4: Simplify right side
    17,988.75x = 1,488,127,064.06
  5. Step 5: Solve for x
    x = 1,488,127,064.06/17,988.75
  6. Step 6: Final answer
    x = 82,725.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.