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Finding the Third Proportional to 1,366 and 3,370

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Solution

The third proportional to 1,366 and 3,370 is: 8,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366 : 3,370 = 3,370 : x
  2. Step 2: Convert to fraction form
    1,366/3,370 = 3,370/x
  3. Step 3: Cross multiply
    1,366x = 3,370 × 3,370
  4. Step 4: Simplify right side
    1,366x = 11,356,900
  5. Step 5: Solve for x
    x = 11,356,900/1,366
  6. Step 6: Final answer
    x = 8,313.98

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.