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Finding the Third Proportional to 18,822.50 and 27,714

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Solution

The third proportional to 18,822.50 and 27,714 is: 40,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.50 : 27,714 = 27,714 : x
  2. Step 2: Convert to fraction form
    18,822.50/27,714 = 27,714/x
  3. Step 3: Cross multiply
    18,822.50x = 27,714 × 27,714
  4. Step 4: Simplify right side
    18,822.50x = 768,065,796
  5. Step 5: Solve for x
    x = 768,065,796/18,822.50
  6. Step 6: Final answer
    x = 40,805.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.