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Finding the Third Proportional to 15,944 and 18,856

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Solution

The third proportional to 15,944 and 18,856 is: 22,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944 : 18,856 = 18,856 : x
  2. Step 2: Convert to fraction form
    15,944/18,856 = 18,856/x
  3. Step 3: Cross multiply
    15,944x = 18,856 × 18,856
  4. Step 4: Simplify right side
    15,944x = 355,548,736
  5. Step 5: Solve for x
    x = 355,548,736/15,944
  6. Step 6: Final answer
    x = 22,299.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.