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Finding the Third Proportional to 25,245.75 and 39,199.88

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Solution

The third proportional to 25,245.75 and 39,199.88 is: 60,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.75 : 39,199.88 = 39,199.88 : x
  2. Step 2: Convert to fraction form
    25,245.75/39,199.88 = 39,199.88/x
  3. Step 3: Cross multiply
    25,245.75x = 39,199.88 × 39,199.88
  4. Step 4: Simplify right side
    25,245.75x = 1,536,630,200.02
  5. Step 5: Solve for x
    x = 1,536,630,200.02/25,245.75
  6. Step 6: Final answer
    x = 60,866.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.