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Finding the Third Proportional to 79,078.88 and 170,614.13

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Solution

The third proportional to 79,078.88 and 170,614.13 is: 368,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,078.88 : 170,614.13 = 170,614.13 : x
  2. Step 2: Convert to fraction form
    79,078.88/170,614.13 = 170,614.13/x
  3. Step 3: Cross multiply
    79,078.88x = 170,614.13 × 170,614.13
  4. Step 4: Simplify right side
    79,078.88x = 29,109,179,649.52
  5. Step 5: Solve for x
    x = 29,109,179,649.52/79,078.88
  6. Step 6: Final answer
    x = 368,103.11

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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.