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Finding the Third Proportional to 5,418 and 11,199.75

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Solution

The third proportional to 5,418 and 11,199.75 is: 23,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418 : 11,199.75 = 11,199.75 : x
  2. Step 2: Convert to fraction form
    5,418/11,199.75 = 11,199.75/x
  3. Step 3: Cross multiply
    5,418x = 11,199.75 × 11,199.75
  4. Step 4: Simplify right side
    5,418x = 125,434,400.06
  5. Step 5: Solve for x
    x = 125,434,400.06/5,418
  6. Step 6: Final answer
    x = 23,151.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.