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Finding the Third Proportional to 11,825 and 18,506

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Solution

The third proportional to 11,825 and 18,506 is: 28,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825 : 18,506 = 18,506 : x
  2. Step 2: Convert to fraction form
    11,825/18,506 = 18,506/x
  3. Step 3: Cross multiply
    11,825x = 18,506 × 18,506
  4. Step 4: Simplify right side
    11,825x = 342,472,036
  5. Step 5: Solve for x
    x = 342,472,036/11,825
  6. Step 6: Final answer
    x = 28,961.69

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.