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Finding the Third Proportional to 12,672 and 22,344.75

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Solution

The third proportional to 12,672 and 22,344.75 is: 39,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672 : 22,344.75 = 22,344.75 : x
  2. Step 2: Convert to fraction form
    12,672/22,344.75 = 22,344.75/x
  3. Step 3: Cross multiply
    12,672x = 22,344.75 × 22,344.75
  4. Step 4: Simplify right side
    12,672x = 499,287,852.56
  5. Step 5: Solve for x
    x = 499,287,852.56/12,672
  6. Step 6: Final answer
    x = 39,400.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.