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Finding the Third Proportional to 4,405.88 and 5,980.88

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Solution

The third proportional to 4,405.88 and 5,980.88 is: 8,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.88 : 5,980.88 = 5,980.88 : x
  2. Step 2: Convert to fraction form
    4,405.88/5,980.88 = 5,980.88/x
  3. Step 3: Cross multiply
    4,405.88x = 5,980.88 × 5,980.88
  4. Step 4: Simplify right side
    4,405.88x = 35,770,865.77
  5. Step 5: Solve for x
    x = 35,770,865.77/4,405.88
  6. Step 6: Final answer
    x = 8,118.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.