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Finding the Third Proportional to 79,995.38 and 171,862.13

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Solution

The third proportional to 79,995.38 and 171,862.13 is: 369,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,995.38 : 171,862.13 = 171,862.13 : x
  2. Step 2: Convert to fraction form
    79,995.38/171,862.13 = 171,862.13/x
  3. Step 3: Cross multiply
    79,995.38x = 171,862.13 × 171,862.13
  4. Step 4: Simplify right side
    79,995.38x = 29,536,590,009.52
  5. Step 5: Solve for x
    x = 29,536,590,009.52/79,995.38
  6. Step 6: Final answer
    x = 369,228.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.