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Finding the Third Proportional to 8,432 and 16,224

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Solution

The third proportional to 8,432 and 16,224 is: 31,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432 : 16,224 = 16,224 : x
  2. Step 2: Convert to fraction form
    8,432/16,224 = 16,224/x
  3. Step 3: Cross multiply
    8,432x = 16,224 × 16,224
  4. Step 4: Simplify right side
    8,432x = 263,218,176
  5. Step 5: Solve for x
    x = 263,218,176/8,432
  6. Step 6: Final answer
    x = 31,216.58

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.