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Finding the Third Proportional to 106,329 and 220,129

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Solution

The third proportional to 106,329 and 220,129 is: 455,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,329 : 220,129 = 220,129 : x
  2. Step 2: Convert to fraction form
    106,329/220,129 = 220,129/x
  3. Step 3: Cross multiply
    106,329x = 220,129 × 220,129
  4. Step 4: Simplify right side
    106,329x = 48,456,776,641
  5. Step 5: Solve for x
    x = 48,456,776,641/106,329
  6. Step 6: Final answer
    x = 455,724.94

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.