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Finding the Third Proportional to 18,567 and 39,726

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Solution

The third proportional to 18,567 and 39,726 is: 84,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567 : 39,726 = 39,726 : x
  2. Step 2: Convert to fraction form
    18,567/39,726 = 39,726/x
  3. Step 3: Cross multiply
    18,567x = 39,726 × 39,726
  4. Step 4: Simplify right side
    18,567x = 1,578,155,076
  5. Step 5: Solve for x
    x = 1,578,155,076/18,567
  6. Step 6: Final answer
    x = 84,997.85

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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.