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Finding the Third Proportional to 2,338 and 2,545

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Solution

The third proportional to 2,338 and 2,545 is: 2,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338 : 2,545 = 2,545 : x
  2. Step 2: Convert to fraction form
    2,338/2,545 = 2,545/x
  3. Step 3: Cross multiply
    2,338x = 2,545 × 2,545
  4. Step 4: Simplify right side
    2,338x = 6,477,025
  5. Step 5: Solve for x
    x = 6,477,025/2,338
  6. Step 6: Final answer
    x = 2,770.33

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.