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Finding the Third Proportional to 172,087.88 and 253,067.63

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Solution

The third proportional to 172,087.88 and 253,067.63 is: 372,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,087.88 : 253,067.63 = 253,067.63 : x
  2. Step 2: Convert to fraction form
    172,087.88/253,067.63 = 253,067.63/x
  3. Step 3: Cross multiply
    172,087.88x = 253,067.63 × 253,067.63
  4. Step 4: Simplify right side
    172,087.88x = 64,043,222,823.14
  5. Step 5: Solve for x
    x = 64,043,222,823.14/172,087.88
  6. Step 6: Final answer
    x = 372,154.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.