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Finding the Third Proportional to 8,600.25 and 18,603.75

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Solution

The third proportional to 8,600.25 and 18,603.75 is: 40,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.25 : 18,603.75 = 18,603.75 : x
  2. Step 2: Convert to fraction form
    8,600.25/18,603.75 = 18,603.75/x
  3. Step 3: Cross multiply
    8,600.25x = 18,603.75 × 18,603.75
  4. Step 4: Simplify right side
    8,600.25x = 346,099,514.06
  5. Step 5: Solve for x
    x = 346,099,514.06/8,600.25
  6. Step 6: Final answer
    x = 40,242.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.