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Finding the Third Proportional to 15,375.56 and 25,107.07

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Solution

The third proportional to 15,375.56 and 25,107.07 is: 40,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.56 : 25,107.07 = 25,107.07 : x
  2. Step 2: Convert to fraction form
    15,375.56/25,107.07 = 25,107.07/x
  3. Step 3: Cross multiply
    15,375.56x = 25,107.07 × 25,107.07
  4. Step 4: Simplify right side
    15,375.56x = 630,365,126.79
  5. Step 5: Solve for x
    x = 630,365,126.79/15,375.56
  6. Step 6: Final answer
    x = 40,997.85

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.