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Finding the Third Proportional to 50,906 and 77,439

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Solution

The third proportional to 50,906 and 77,439 is: 117,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,906 : 77,439 = 77,439 : x
  2. Step 2: Convert to fraction form
    50,906/77,439 = 77,439/x
  3. Step 3: Cross multiply
    50,906x = 77,439 × 77,439
  4. Step 4: Simplify right side
    50,906x = 5,996,798,721
  5. Step 5: Solve for x
    x = 5,996,798,721/50,906
  6. Step 6: Final answer
    x = 117,801.41

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.