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Finding the Third Proportional to 5,784 and 12,479

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Solution

The third proportional to 5,784 and 12,479 is: 26,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784 : 12,479 = 12,479 : x
  2. Step 2: Convert to fraction form
    5,784/12,479 = 12,479/x
  3. Step 3: Cross multiply
    5,784x = 12,479 × 12,479
  4. Step 4: Simplify right side
    5,784x = 155,725,441
  5. Step 5: Solve for x
    x = 155,725,441/5,784
  6. Step 6: Final answer
    x = 26,923.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.