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Finding the Third Proportional to 8,079.75 and 12,414.94

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Solution

The third proportional to 8,079.75 and 12,414.94 is: 19,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.75 : 12,414.94 = 12,414.94 : x
  2. Step 2: Convert to fraction form
    8,079.75/12,414.94 = 12,414.94/x
  3. Step 3: Cross multiply
    8,079.75x = 12,414.94 × 12,414.94
  4. Step 4: Simplify right side
    8,079.75x = 154,130,673.13
  5. Step 5: Solve for x
    x = 154,130,673.13/8,079.75
  6. Step 6: Final answer
    x = 19,076.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.