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Finding the Third Proportional to 8,895 and 20,779.50

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Solution

The third proportional to 8,895 and 20,779.50 is: 48,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895 : 20,779.50 = 20,779.50 : x
  2. Step 2: Convert to fraction form
    8,895/20,779.50 = 20,779.50/x
  3. Step 3: Cross multiply
    8,895x = 20,779.50 × 20,779.50
  4. Step 4: Simplify right side
    8,895x = 431,787,620.25
  5. Step 5: Solve for x
    x = 431,787,620.25/8,895
  6. Step 6: Final answer
    x = 48,542.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.