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Finding the Third Proportional to 8,020 and 11,246

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Solution

The third proportional to 8,020 and 11,246 is: 15,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020 : 11,246 = 11,246 : x
  2. Step 2: Convert to fraction form
    8,020/11,246 = 11,246/x
  3. Step 3: Cross multiply
    8,020x = 11,246 × 11,246
  4. Step 4: Simplify right side
    8,020x = 126,472,516
  5. Step 5: Solve for x
    x = 126,472,516/8,020
  6. Step 6: Final answer
    x = 15,769.64

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.