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Finding the Third Proportional to 6,672 and 9,984

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Solution

The third proportional to 6,672 and 9,984 is: 14,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672 : 9,984 = 9,984 : x
  2. Step 2: Convert to fraction form
    6,672/9,984 = 9,984/x
  3. Step 3: Cross multiply
    6,672x = 9,984 × 9,984
  4. Step 4: Simplify right side
    6,672x = 99,680,256
  5. Step 5: Solve for x
    x = 99,680,256/6,672
  6. Step 6: Final answer
    x = 14,940.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.