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Finding the Third Proportional to 2,650 and 4,922

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Solution

The third proportional to 2,650 and 4,922 is: 9,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650 : 4,922 = 4,922 : x
  2. Step 2: Convert to fraction form
    2,650/4,922 = 4,922/x
  3. Step 3: Cross multiply
    2,650x = 4,922 × 4,922
  4. Step 4: Simplify right side
    2,650x = 24,226,084
  5. Step 5: Solve for x
    x = 24,226,084/2,650
  6. Step 6: Final answer
    x = 9,141.92

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.