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Finding the Third Proportional to 15,603.28 and 25,349.91

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Solution

The third proportional to 15,603.28 and 25,349.91 is: 41,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.28 : 25,349.91 = 25,349.91 : x
  2. Step 2: Convert to fraction form
    15,603.28/25,349.91 = 25,349.91/x
  3. Step 3: Cross multiply
    15,603.28x = 25,349.91 × 25,349.91
  4. Step 4: Simplify right side
    15,603.28x = 642,617,746.88
  5. Step 5: Solve for x
    x = 642,617,746.88/15,603.28
  6. Step 6: Final answer
    x = 41,184.78

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.