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Finding the Third Proportional to 7,760.25 and 10,935

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Solution

The third proportional to 7,760.25 and 10,935 is: 15,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.25 : 10,935 = 10,935 : x
  2. Step 2: Convert to fraction form
    7,760.25/10,935 = 10,935/x
  3. Step 3: Cross multiply
    7,760.25x = 10,935 × 10,935
  4. Step 4: Simplify right side
    7,760.25x = 119,574,225
  5. Step 5: Solve for x
    x = 119,574,225/7,760.25
  6. Step 6: Final answer
    x = 15,408.55

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.