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Finding the Third Proportional to 8,979.19 and 13,204.69

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Solution

The third proportional to 8,979.19 and 13,204.69 is: 19,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.19 : 13,204.69 = 13,204.69 : x
  2. Step 2: Convert to fraction form
    8,979.19/13,204.69 = 13,204.69/x
  3. Step 3: Cross multiply
    8,979.19x = 13,204.69 × 13,204.69
  4. Step 4: Simplify right side
    8,979.19x = 174,363,771.97
  5. Step 5: Solve for x
    x = 174,363,771.97/8,979.19
  6. Step 6: Final answer
    x = 19,418.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.