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Finding the Third Proportional to 6,924 and 8,130

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Solution

The third proportional to 6,924 and 8,130 is: 9,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924 : 8,130 = 8,130 : x
  2. Step 2: Convert to fraction form
    6,924/8,130 = 8,130/x
  3. Step 3: Cross multiply
    6,924x = 8,130 × 8,130
  4. Step 4: Simplify right side
    6,924x = 66,096,900
  5. Step 5: Solve for x
    x = 66,096,900/6,924
  6. Step 6: Final answer
    x = 9,546.06

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.