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Finding the Third Proportional to 18,685.88 and 25,173.75

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Solution

The third proportional to 18,685.88 and 25,173.75 is: 33,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.88 : 25,173.75 = 25,173.75 : x
  2. Step 2: Convert to fraction form
    18,685.88/25,173.75 = 25,173.75/x
  3. Step 3: Cross multiply
    18,685.88x = 25,173.75 × 25,173.75
  4. Step 4: Simplify right side
    18,685.88x = 633,717,689.06
  5. Step 5: Solve for x
    x = 633,717,689.06/18,685.88
  6. Step 6: Final answer
    x = 33,914.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.