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Finding the Third Proportional to 6,938 and 8,010

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Solution

The third proportional to 6,938 and 8,010 is: 9,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938 : 8,010 = 8,010 : x
  2. Step 2: Convert to fraction form
    6,938/8,010 = 8,010/x
  3. Step 3: Cross multiply
    6,938x = 8,010 × 8,010
  4. Step 4: Simplify right side
    6,938x = 64,160,100
  5. Step 5: Solve for x
    x = 64,160,100/6,938
  6. Step 6: Final answer
    x = 9,247.64

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.