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Finding the Third Proportional to 8,036 and 12,418

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Solution

The third proportional to 8,036 and 12,418 is: 19,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036 : 12,418 = 12,418 : x
  2. Step 2: Convert to fraction form
    8,036/12,418 = 12,418/x
  3. Step 3: Cross multiply
    8,036x = 12,418 × 12,418
  4. Step 4: Simplify right side
    8,036x = 154,206,724
  5. Step 5: Solve for x
    x = 154,206,724/8,036
  6. Step 6: Final answer
    x = 19,189.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.