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Finding the Third Proportional to 2,195 and 4,785

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Solution

The third proportional to 2,195 and 4,785 is: 10,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195 : 4,785 = 4,785 : x
  2. Step 2: Convert to fraction form
    2,195/4,785 = 4,785/x
  3. Step 3: Cross multiply
    2,195x = 4,785 × 4,785
  4. Step 4: Simplify right side
    2,195x = 22,896,225
  5. Step 5: Solve for x
    x = 22,896,225/2,195
  6. Step 6: Final answer
    x = 10,431.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.