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Finding the Third Proportional to 6,977.75 and 9,760.25

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Solution

The third proportional to 6,977.75 and 9,760.25 is: 13,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.75 : 9,760.25 = 9,760.25 : x
  2. Step 2: Convert to fraction form
    6,977.75/9,760.25 = 9,760.25/x
  3. Step 3: Cross multiply
    6,977.75x = 9,760.25 × 9,760.25
  4. Step 4: Simplify right side
    6,977.75x = 95,262,480.06
  5. Step 5: Solve for x
    x = 95,262,480.06/6,977.75
  6. Step 6: Final answer
    x = 13,652.32

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.