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Finding the Third Proportional to 6,897 and 9,760.50

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Solution

The third proportional to 6,897 and 9,760.50 is: 13,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897 : 9,760.50 = 9,760.50 : x
  2. Step 2: Convert to fraction form
    6,897/9,760.50 = 9,760.50/x
  3. Step 3: Cross multiply
    6,897x = 9,760.50 × 9,760.50
  4. Step 4: Simplify right side
    6,897x = 95,267,360.25
  5. Step 5: Solve for x
    x = 95,267,360.25/6,897
  6. Step 6: Final answer
    x = 13,812.87

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.