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Finding the Third Proportional to 27,240 and 41,100

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Solution

The third proportional to 27,240 and 41,100 is: 62,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240 : 41,100 = 41,100 : x
  2. Step 2: Convert to fraction form
    27,240/41,100 = 41,100/x
  3. Step 3: Cross multiply
    27,240x = 41,100 × 41,100
  4. Step 4: Simplify right side
    27,240x = 1,689,210,000
  5. Step 5: Solve for x
    x = 1,689,210,000/27,240
  6. Step 6: Final answer
    x = 62,012.11

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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.