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Finding the Third Proportional to 18,445.50 and 27,013.50

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Solution

The third proportional to 18,445.50 and 27,013.50 is: 39,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.50 : 27,013.50 = 27,013.50 : x
  2. Step 2: Convert to fraction form
    18,445.50/27,013.50 = 27,013.50/x
  3. Step 3: Cross multiply
    18,445.50x = 27,013.50 × 27,013.50
  4. Step 4: Simplify right side
    18,445.50x = 729,729,182.25
  5. Step 5: Solve for x
    x = 729,729,182.25/18,445.50
  6. Step 6: Final answer
    x = 39,561.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.