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Finding the Third Proportional to 18,853.88 and 37,231.75

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Solution

The third proportional to 18,853.88 and 37,231.75 is: 73,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.88 : 37,231.75 = 37,231.75 : x
  2. Step 2: Convert to fraction form
    18,853.88/37,231.75 = 37,231.75/x
  3. Step 3: Cross multiply
    18,853.88x = 37,231.75 × 37,231.75
  4. Step 4: Simplify right side
    18,853.88x = 1,386,203,208.06
  5. Step 5: Solve for x
    x = 1,386,203,208.06/18,853.88
  6. Step 6: Final answer
    x = 73,523.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.