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Finding the Third Proportional to 16,287.75 and 35,691.75

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Solution

The third proportional to 16,287.75 and 35,691.75 is: 78,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.75 : 35,691.75 = 35,691.75 : x
  2. Step 2: Convert to fraction form
    16,287.75/35,691.75 = 35,691.75/x
  3. Step 3: Cross multiply
    16,287.75x = 35,691.75 × 35,691.75
  4. Step 4: Simplify right side
    16,287.75x = 1,273,901,018.06
  5. Step 5: Solve for x
    x = 1,273,901,018.06/16,287.75
  6. Step 6: Final answer
    x = 78,212.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.