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Finding the Third Proportional to 14,400 and 16,960

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Solution

The third proportional to 14,400 and 16,960 is: 19,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400 : 16,960 = 16,960 : x
  2. Step 2: Convert to fraction form
    14,400/16,960 = 16,960/x
  3. Step 3: Cross multiply
    14,400x = 16,960 × 16,960
  4. Step 4: Simplify right side
    14,400x = 287,641,600
  5. Step 5: Solve for x
    x = 287,641,600/14,400
  6. Step 6: Final answer
    x = 19,975.11

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.