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Finding the Third Proportional to 14,192 and 20,856

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Solution

The third proportional to 14,192 and 20,856 is: 30,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192 : 20,856 = 20,856 : x
  2. Step 2: Convert to fraction form
    14,192/20,856 = 20,856/x
  3. Step 3: Cross multiply
    14,192x = 20,856 × 20,856
  4. Step 4: Simplify right side
    14,192x = 434,972,736
  5. Step 5: Solve for x
    x = 434,972,736/14,192
  6. Step 6: Final answer
    x = 30,649.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.