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Finding the Third Proportional to 6,651.28 and 9,977.98

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Solution

The third proportional to 6,651.28 and 9,977.98 is: 14,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.28 : 9,977.98 = 9,977.98 : x
  2. Step 2: Convert to fraction form
    6,651.28/9,977.98 = 9,977.98/x
  3. Step 3: Cross multiply
    6,651.28x = 9,977.98 × 9,977.98
  4. Step 4: Simplify right side
    6,651.28x = 99,560,016.28
  5. Step 5: Solve for x
    x = 99,560,016.28/6,651.28
  6. Step 6: Final answer
    x = 14,968.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.