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Finding the Third Proportional to 8,960 and 14,028

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Solution

The third proportional to 8,960 and 14,028 is: 21,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 14,028 = 14,028 : x
  2. Step 2: Convert to fraction form
    8,960/14,028 = 14,028/x
  3. Step 3: Cross multiply
    8,960x = 14,028 × 14,028
  4. Step 4: Simplify right side
    8,960x = 196,784,784
  5. Step 5: Solve for x
    x = 196,784,784/8,960
  6. Step 6: Final answer
    x = 21,962.59

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.