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Finding the Third Proportional to 7,936.88 and 18,454.50

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Solution

The third proportional to 7,936.88 and 18,454.50 is: 42,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.88 : 18,454.50 = 18,454.50 : x
  2. Step 2: Convert to fraction form
    7,936.88/18,454.50 = 18,454.50/x
  3. Step 3: Cross multiply
    7,936.88x = 18,454.50 × 18,454.50
  4. Step 4: Simplify right side
    7,936.88x = 340,568,570.25
  5. Step 5: Solve for x
    x = 340,568,570.25/7,936.88
  6. Step 6: Final answer
    x = 42,909.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.