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Finding the Third Proportional to 15,535.13 and 25,896.38

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Solution

The third proportional to 15,535.13 and 25,896.38 is: 43,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.13 : 25,896.38 = 25,896.38 : x
  2. Step 2: Convert to fraction form
    15,535.13/25,896.38 = 25,896.38/x
  3. Step 3: Cross multiply
    15,535.13x = 25,896.38 × 25,896.38
  4. Step 4: Simplify right side
    15,535.13x = 670,622,238.14
  5. Step 5: Solve for x
    x = 670,622,238.14/15,535.13
  6. Step 6: Final answer
    x = 43,168.13

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.