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Finding the Third Proportional to 8,646.75 and 19,018.13

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Solution

The third proportional to 8,646.75 and 19,018.13 is: 41,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.75 : 19,018.13 = 19,018.13 : x
  2. Step 2: Convert to fraction form
    8,646.75/19,018.13 = 19,018.13/x
  3. Step 3: Cross multiply
    8,646.75x = 19,018.13 × 19,018.13
  4. Step 4: Simplify right side
    8,646.75x = 361,689,078.52
  5. Step 5: Solve for x
    x = 361,689,078.52/8,646.75
  6. Step 6: Final answer
    x = 41,829.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.