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Finding the Third Proportional to 18,010 and 27,015

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Solution

The third proportional to 18,010 and 27,015 is: 40,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010 : 27,015 = 27,015 : x
  2. Step 2: Convert to fraction form
    18,010/27,015 = 27,015/x
  3. Step 3: Cross multiply
    18,010x = 27,015 × 27,015
  4. Step 4: Simplify right side
    18,010x = 729,810,225
  5. Step 5: Solve for x
    x = 729,810,225/18,010
  6. Step 6: Final answer
    x = 40,522.50

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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.