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Finding the Third Proportional to 27,240 and 40,350

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Solution

The third proportional to 27,240 and 40,350 is: 59,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240 : 40,350 = 40,350 : x
  2. Step 2: Convert to fraction form
    27,240/40,350 = 40,350/x
  3. Step 3: Cross multiply
    27,240x = 40,350 × 40,350
  4. Step 4: Simplify right side
    27,240x = 1,628,122,500
  5. Step 5: Solve for x
    x = 1,628,122,500/27,240
  6. Step 6: Final answer
    x = 59,769.55

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.