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Finding the Third Proportional to 3,929.77 and 8,525.88

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Solution

The third proportional to 3,929.77 and 8,525.88 is: 18,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.77 : 8,525.88 = 8,525.88 : x
  2. Step 2: Convert to fraction form
    3,929.77/8,525.88 = 8,525.88/x
  3. Step 3: Cross multiply
    3,929.77x = 8,525.88 × 8,525.88
  4. Step 4: Simplify right side
    3,929.77x = 72,690,677.73
  5. Step 5: Solve for x
    x = 72,690,677.73/3,929.77
  6. Step 6: Final answer
    x = 18,497.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.