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Finding the Third Proportional to 27,280 and 41,280

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Solution

The third proportional to 27,280 and 41,280 is: 62,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280 : 41,280 = 41,280 : x
  2. Step 2: Convert to fraction form
    27,280/41,280 = 41,280/x
  3. Step 3: Cross multiply
    27,280x = 41,280 × 41,280
  4. Step 4: Simplify right side
    27,280x = 1,704,038,400
  5. Step 5: Solve for x
    x = 1,704,038,400/27,280
  6. Step 6: Final answer
    x = 62,464.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.