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Finding the Third Proportional to 106,878 and 233,439

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Solution

The third proportional to 106,878 and 233,439 is: 509,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,878 : 233,439 = 233,439 : x
  2. Step 2: Convert to fraction form
    106,878/233,439 = 233,439/x
  3. Step 3: Cross multiply
    106,878x = 233,439 × 233,439
  4. Step 4: Simplify right side
    106,878x = 54,493,766,721
  5. Step 5: Solve for x
    x = 54,493,766,721/106,878
  6. Step 6: Final answer
    x = 509,868.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.