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Finding the Third Proportional to 6,488 and 8,935

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Solution

The third proportional to 6,488 and 8,935 is: 12,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488 : 8,935 = 8,935 : x
  2. Step 2: Convert to fraction form
    6,488/8,935 = 8,935/x
  3. Step 3: Cross multiply
    6,488x = 8,935 × 8,935
  4. Step 4: Simplify right side
    6,488x = 79,834,225
  5. Step 5: Solve for x
    x = 79,834,225/6,488
  6. Step 6: Final answer
    x = 12,304.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.