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Finding the Third Proportional to 107,792 and 220,928

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Solution

The third proportional to 107,792 and 220,928 is: 452,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,792 : 220,928 = 220,928 : x
  2. Step 2: Convert to fraction form
    107,792/220,928 = 220,928/x
  3. Step 3: Cross multiply
    107,792x = 220,928 × 220,928
  4. Step 4: Simplify right side
    107,792x = 48,809,181,184
  5. Step 5: Solve for x
    x = 48,809,181,184/107,792
  6. Step 6: Final answer
    x = 452,808.94

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.