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Finding the Third Proportional to 2,318 and 2,814

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Solution

The third proportional to 2,318 and 2,814 is: 3,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318 : 2,814 = 2,814 : x
  2. Step 2: Convert to fraction form
    2,318/2,814 = 2,814/x
  3. Step 3: Cross multiply
    2,318x = 2,814 × 2,814
  4. Step 4: Simplify right side
    2,318x = 7,918,596
  5. Step 5: Solve for x
    x = 7,918,596/2,318
  6. Step 6: Final answer
    x = 3,416.13

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.