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Finding the Third Proportional to 220,758 and 349,794

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Solution

The third proportional to 220,758 and 349,794 is: 554,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,758 : 349,794 = 349,794 : x
  2. Step 2: Convert to fraction form
    220,758/349,794 = 349,794/x
  3. Step 3: Cross multiply
    220,758x = 349,794 × 349,794
  4. Step 4: Simplify right side
    220,758x = 122,355,842,436
  5. Step 5: Solve for x
    x = 122,355,842,436/220,758
  6. Step 6: Final answer
    x = 554,253.27

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.