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Finding the Third Proportional to 3,995.44 and 8,719.88

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Solution

The third proportional to 3,995.44 and 8,719.88 is: 19,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.44 : 8,719.88 = 8,719.88 : x
  2. Step 2: Convert to fraction form
    3,995.44/8,719.88 = 8,719.88/x
  3. Step 3: Cross multiply
    3,995.44x = 8,719.88 × 8,719.88
  4. Step 4: Simplify right side
    3,995.44x = 76,036,220.02
  5. Step 5: Solve for x
    x = 76,036,220.02/3,995.44
  6. Step 6: Final answer
    x = 19,030.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.