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Finding the Third Proportional to 171,726 and 252,620

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Solution

The third proportional to 171,726 and 252,620 is: 371,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726 : 252,620 = 252,620 : x
  2. Step 2: Convert to fraction form
    171,726/252,620 = 252,620/x
  3. Step 3: Cross multiply
    171,726x = 252,620 × 252,620
  4. Step 4: Simplify right side
    171,726x = 63,816,864,400
  5. Step 5: Solve for x
    x = 63,816,864,400/171,726
  6. Step 6: Final answer
    x = 371,620.28

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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.