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Finding the Third Proportional to 172,759.50 and 266,519.25

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Solution

The third proportional to 172,759.50 and 266,519.25 is: 411,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,759.50 : 266,519.25 = 266,519.25 : x
  2. Step 2: Convert to fraction form
    172,759.50/266,519.25 = 266,519.25/x
  3. Step 3: Cross multiply
    172,759.50x = 266,519.25 × 266,519.25
  4. Step 4: Simplify right side
    172,759.50x = 71,032,510,620.56
  5. Step 5: Solve for x
    x = 71,032,510,620.56/172,759.50
  6. Step 6: Final answer
    x = 411,164.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.