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Finding the Third Proportional to 6,290 and 8,348

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Solution

The third proportional to 6,290 and 8,348 is: 11,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290 : 8,348 = 8,348 : x
  2. Step 2: Convert to fraction form
    6,290/8,348 = 8,348/x
  3. Step 3: Cross multiply
    6,290x = 8,348 × 8,348
  4. Step 4: Simplify right side
    6,290x = 69,689,104
  5. Step 5: Solve for x
    x = 69,689,104/6,290
  6. Step 6: Final answer
    x = 11,079.35

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.