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Finding the Third Proportional to 7,466 and 8,138

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Solution

The third proportional to 7,466 and 8,138 is: 8,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,466 : 8,138 = 8,138 : x
  2. Step 2: Convert to fraction form
    7,466/8,138 = 8,138/x
  3. Step 3: Cross multiply
    7,466x = 8,138 × 8,138
  4. Step 4: Simplify right side
    7,466x = 66,227,044
  5. Step 5: Solve for x
    x = 66,227,044/7,466
  6. Step 6: Final answer
    x = 8,870.49

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.