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Finding the Third Proportional to 8,431 and 8,431

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Solution

The third proportional to 8,431 and 8,431 is: 8,431

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431 : 8,431 = 8,431 : x
  2. Step 2: Convert to fraction form
    8,431/8,431 = 8,431/x
  3. Step 3: Cross multiply
    8,431x = 8,431 × 8,431
  4. Step 4: Simplify right side
    8,431x = 71,081,761
  5. Step 5: Solve for x
    x = 71,081,761/8,431
  6. Step 6: Final answer
    x = 8,431

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Why These Related Problems?

These problems maintain the same ratio (1) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.