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Finding the Third Proportional to 4,090.92 and 8,808.12

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Solution

The third proportional to 4,090.92 and 8,808.12 is: 18,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 8,808.12 = 8,808.12 : x
  2. Step 2: Convert to fraction form
    4,090.92/8,808.12 = 8,808.12/x
  3. Step 3: Cross multiply
    4,090.92x = 8,808.12 × 8,808.12
  4. Step 4: Simplify right side
    4,090.92x = 77,582,928.39
  5. Step 5: Solve for x
    x = 77,582,928.39/4,090.92
  6. Step 6: Final answer
    x = 18,964.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.