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Finding the Third Proportional to 6,666 and 7,754

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Solution

The third proportional to 6,666 and 7,754 is: 9,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666 : 7,754 = 7,754 : x
  2. Step 2: Convert to fraction form
    6,666/7,754 = 7,754/x
  3. Step 3: Cross multiply
    6,666x = 7,754 × 7,754
  4. Step 4: Simplify right side
    6,666x = 60,124,516
  5. Step 5: Solve for x
    x = 60,124,516/6,666
  6. Step 6: Final answer
    x = 9,019.58

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.