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Finding the Third Proportional to 6,360 and 6,972

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Solution

The third proportional to 6,360 and 6,972 is: 7,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360 : 6,972 = 6,972 : x
  2. Step 2: Convert to fraction form
    6,360/6,972 = 6,972/x
  3. Step 3: Cross multiply
    6,360x = 6,972 × 6,972
  4. Step 4: Simplify right side
    6,360x = 48,608,784
  5. Step 5: Solve for x
    x = 48,608,784/6,360
  6. Step 6: Final answer
    x = 7,642.89

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.