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Finding the Third Proportional to 6,988 and 9,062

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Solution

The third proportional to 6,988 and 9,062 is: 11,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988 : 9,062 = 9,062 : x
  2. Step 2: Convert to fraction form
    6,988/9,062 = 9,062/x
  3. Step 3: Cross multiply
    6,988x = 9,062 × 9,062
  4. Step 4: Simplify right side
    6,988x = 82,119,844
  5. Step 5: Solve for x
    x = 82,119,844/6,988
  6. Step 6: Final answer
    x = 11,751.55

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.