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Finding the Third Proportional to 18,225 and 27,214.50

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Solution

The third proportional to 18,225 and 27,214.50 is: 40,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225 : 27,214.50 = 27,214.50 : x
  2. Step 2: Convert to fraction form
    18,225/27,214.50 = 27,214.50/x
  3. Step 3: Cross multiply
    18,225x = 27,214.50 × 27,214.50
  4. Step 4: Simplify right side
    18,225x = 740,629,010.25
  5. Step 5: Solve for x
    x = 740,629,010.25/18,225
  6. Step 6: Final answer
    x = 40,638.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.