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Finding the Third Proportional to 27,405 and 41,040

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Solution

The third proportional to 27,405 and 41,040 is: 61,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405 : 41,040 = 41,040 : x
  2. Step 2: Convert to fraction form
    27,405/41,040 = 41,040/x
  3. Step 3: Cross multiply
    27,405x = 41,040 × 41,040
  4. Step 4: Simplify right side
    27,405x = 1,684,281,600
  5. Step 5: Solve for x
    x = 1,684,281,600/27,405
  6. Step 6: Final answer
    x = 61,458.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.