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Finding the Third Proportional to 18,217.50 and 27,326.25

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Solution

The third proportional to 18,217.50 and 27,326.25 is: 40,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.50 : 27,326.25 = 27,326.25 : x
  2. Step 2: Convert to fraction form
    18,217.50/27,326.25 = 27,326.25/x
  3. Step 3: Cross multiply
    18,217.50x = 27,326.25 × 27,326.25
  4. Step 4: Simplify right side
    18,217.50x = 746,723,939.06
  5. Step 5: Solve for x
    x = 746,723,939.06/18,217.50
  6. Step 6: Final answer
    x = 40,989.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.