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Finding the Third Proportional to 6,280 and 7,360

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Solution

The third proportional to 6,280 and 7,360 is: 8,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280 : 7,360 = 7,360 : x
  2. Step 2: Convert to fraction form
    6,280/7,360 = 7,360/x
  3. Step 3: Cross multiply
    6,280x = 7,360 × 7,360
  4. Step 4: Simplify right side
    6,280x = 54,169,600
  5. Step 5: Solve for x
    x = 54,169,600/6,280
  6. Step 6: Final answer
    x = 8,625.73

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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.