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Finding the Third Proportional to 12,165.19 and 25,309.97

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Solution

The third proportional to 12,165.19 and 25,309.97 is: 52,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.19 : 25,309.97 = 25,309.97 : x
  2. Step 2: Convert to fraction form
    12,165.19/25,309.97 = 25,309.97/x
  3. Step 3: Cross multiply
    12,165.19x = 25,309.97 × 25,309.97
  4. Step 4: Simplify right side
    12,165.19x = 640,594,518.13
  5. Step 5: Solve for x
    x = 640,594,518.13/12,165.19
  6. Step 6: Final answer
    x = 52,658.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.