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Finding the Third Proportional to 6,290 and 9,071

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Solution

The third proportional to 6,290 and 9,071 is: 13,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290 : 9,071 = 9,071 : x
  2. Step 2: Convert to fraction form
    6,290/9,071 = 9,071/x
  3. Step 3: Cross multiply
    6,290x = 9,071 × 9,071
  4. Step 4: Simplify right side
    6,290x = 82,283,041
  5. Step 5: Solve for x
    x = 82,283,041/6,290
  6. Step 6: Final answer
    x = 13,081.56

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.