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Finding the Third Proportional to 19,817.38 and 41,275

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Solution

The third proportional to 19,817.38 and 41,275 is: 85,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.38 : 41,275 = 41,275 : x
  2. Step 2: Convert to fraction form
    19,817.38/41,275 = 41,275/x
  3. Step 3: Cross multiply
    19,817.38x = 41,275 × 41,275
  4. Step 4: Simplify right side
    19,817.38x = 1,703,625,625
  5. Step 5: Solve for x
    x = 1,703,625,625/19,817.38
  6. Step 6: Final answer
    x = 85,966.26

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.