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Finding the Third Proportional to 18,253.13 and 28,185.75

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Solution

The third proportional to 18,253.13 and 28,185.75 is: 43,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.13 : 28,185.75 = 28,185.75 : x
  2. Step 2: Convert to fraction form
    18,253.13/28,185.75 = 28,185.75/x
  3. Step 3: Cross multiply
    18,253.13x = 28,185.75 × 28,185.75
  4. Step 4: Simplify right side
    18,253.13x = 794,436,503.06
  5. Step 5: Solve for x
    x = 794,436,503.06/18,253.13
  6. Step 6: Final answer
    x = 43,523.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.