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Finding the Third Proportional to 6,434 and 13,330

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Solution

The third proportional to 6,434 and 13,330 is: 27,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434 : 13,330 = 13,330 : x
  2. Step 2: Convert to fraction form
    6,434/13,330 = 13,330/x
  3. Step 3: Cross multiply
    6,434x = 13,330 × 13,330
  4. Step 4: Simplify right side
    6,434x = 177,688,900
  5. Step 5: Solve for x
    x = 177,688,900/6,434
  6. Step 6: Final answer
    x = 27,617.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.