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Finding the Third Proportional to 28,469 and 40,554.75

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Solution

The third proportional to 28,469 and 40,554.75 is: 57,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469 : 40,554.75 = 40,554.75 : x
  2. Step 2: Convert to fraction form
    28,469/40,554.75 = 40,554.75/x
  3. Step 3: Cross multiply
    28,469x = 40,554.75 × 40,554.75
  4. Step 4: Simplify right side
    28,469x = 1,644,687,747.56
  5. Step 5: Solve for x
    x = 1,644,687,747.56/28,469
  6. Step 6: Final answer
    x = 57,771.18

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.