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Finding the Third Proportional to 79,963.88 and 170,999.44

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Solution

The third proportional to 79,963.88 and 170,999.44 is: 365,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,963.88 : 170,999.44 = 170,999.44 : x
  2. Step 2: Convert to fraction form
    79,963.88/170,999.44 = 170,999.44/x
  3. Step 3: Cross multiply
    79,963.88x = 170,999.44 × 170,999.44
  4. Step 4: Simplify right side
    79,963.88x = 29,240,807,625.32
  5. Step 5: Solve for x
    x = 29,240,807,625.32/79,963.88
  6. Step 6: Final answer
    x = 365,675.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.