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Finding the Third Proportional to 220,848 and 294,240

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Solution

The third proportional to 220,848 and 294,240 is: 392,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,848 : 294,240 = 294,240 : x
  2. Step 2: Convert to fraction form
    220,848/294,240 = 294,240/x
  3. Step 3: Cross multiply
    220,848x = 294,240 × 294,240
  4. Step 4: Simplify right side
    220,848x = 86,577,177,600
  5. Step 5: Solve for x
    x = 86,577,177,600/220,848
  6. Step 6: Final answer
    x = 392,021.56

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.