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Finding the Third Proportional to 12,999 and 28,374

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Solution

The third proportional to 12,999 and 28,374 is: 61,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999 : 28,374 = 28,374 : x
  2. Step 2: Convert to fraction form
    12,999/28,374 = 28,374/x
  3. Step 3: Cross multiply
    12,999x = 28,374 × 28,374
  4. Step 4: Simplify right side
    12,999x = 805,083,876
  5. Step 5: Solve for x
    x = 805,083,876/12,999
  6. Step 6: Final answer
    x = 61,934.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.