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Finding the Third Proportional to 274,216 and 414,240

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Solution

The third proportional to 274,216 and 414,240 is: 625,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,216 : 414,240 = 414,240 : x
  2. Step 2: Convert to fraction form
    274,216/414,240 = 414,240/x
  3. Step 3: Cross multiply
    274,216x = 414,240 × 414,240
  4. Step 4: Simplify right side
    274,216x = 171,594,777,600
  5. Step 5: Solve for x
    x = 171,594,777,600/274,216
  6. Step 6: Final answer
    x = 625,765.01

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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.