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Finding the Third Proportional to 14,432 and 21,928

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Solution

The third proportional to 14,432 and 21,928 is: 33,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432 : 21,928 = 21,928 : x
  2. Step 2: Convert to fraction form
    14,432/21,928 = 21,928/x
  3. Step 3: Cross multiply
    14,432x = 21,928 × 21,928
  4. Step 4: Simplify right side
    14,432x = 480,837,184
  5. Step 5: Solve for x
    x = 480,837,184/14,432
  6. Step 6: Final answer
    x = 33,317.43

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.