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Finding the Third Proportional to 12,441.09 and 18,859.08

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Solution

The third proportional to 12,441.09 and 18,859.08 is: 28,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.09 : 18,859.08 = 18,859.08 : x
  2. Step 2: Convert to fraction form
    12,441.09/18,859.08 = 18,859.08/x
  3. Step 3: Cross multiply
    12,441.09x = 18,859.08 × 18,859.08
  4. Step 4: Simplify right side
    12,441.09x = 355,664,827.72
  5. Step 5: Solve for x
    x = 355,664,827.72/12,441.09
  6. Step 6: Final answer
    x = 28,587.91

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.