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Finding the Third Proportional to 106,639 and 160,231

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Solution

The third proportional to 106,639 and 160,231 is: 240,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639 : 160,231 = 160,231 : x
  2. Step 2: Convert to fraction form
    106,639/160,231 = 160,231/x
  3. Step 3: Cross multiply
    106,639x = 160,231 × 160,231
  4. Step 4: Simplify right side
    106,639x = 25,673,973,361
  5. Step 5: Solve for x
    x = 25,673,973,361/106,639
  6. Step 6: Final answer
    x = 240,755.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.