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Finding the Third Proportional to 2,184 and 2,906

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Solution

The third proportional to 2,184 and 2,906 is: 3,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184 : 2,906 = 2,906 : x
  2. Step 2: Convert to fraction form
    2,184/2,906 = 2,906/x
  3. Step 3: Cross multiply
    2,184x = 2,906 × 2,906
  4. Step 4: Simplify right side
    2,184x = 8,444,836
  5. Step 5: Solve for x
    x = 8,444,836/2,184
  6. Step 6: Final answer
    x = 3,866.68

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.