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Finding the Third Proportional to 7,431 and 14,673

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Solution

The third proportional to 7,431 and 14,673 is: 28,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431 : 14,673 = 14,673 : x
  2. Step 2: Convert to fraction form
    7,431/14,673 = 14,673/x
  3. Step 3: Cross multiply
    7,431x = 14,673 × 14,673
  4. Step 4: Simplify right side
    7,431x = 215,296,929
  5. Step 5: Solve for x
    x = 215,296,929/7,431
  6. Step 6: Final answer
    x = 28,972.81

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.