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Finding the Third Proportional to 15,958.31 and 25,257.56

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Solution

The third proportional to 15,958.31 and 25,257.56 is: 39,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.31 : 25,257.56 = 25,257.56 : x
  2. Step 2: Convert to fraction form
    15,958.31/25,257.56 = 25,257.56/x
  3. Step 3: Cross multiply
    15,958.31x = 25,257.56 × 25,257.56
  4. Step 4: Simplify right side
    15,958.31x = 637,944,463.44
  5. Step 5: Solve for x
    x = 637,944,463.44/15,958.31
  6. Step 6: Final answer
    x = 39,975.68

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.