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Finding the Third Proportional to 15,898.78 and 25,169.48

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Solution

The third proportional to 15,898.78 and 25,169.48 is: 39,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.78 : 25,169.48 = 25,169.48 : x
  2. Step 2: Convert to fraction form
    15,898.78/25,169.48 = 25,169.48/x
  3. Step 3: Cross multiply
    15,898.78x = 25,169.48 × 25,169.48
  4. Step 4: Simplify right side
    15,898.78x = 633,502,943.70
  5. Step 5: Solve for x
    x = 633,502,943.70/15,898.78
  6. Step 6: Final answer
    x = 39,846.01

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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.