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Finding the Third Proportional to 48,362 and 76,938

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Solution

The third proportional to 48,362 and 76,938 is: 122,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362 : 76,938 = 76,938 : x
  2. Step 2: Convert to fraction form
    48,362/76,938 = 76,938/x
  3. Step 3: Cross multiply
    48,362x = 76,938 × 76,938
  4. Step 4: Simplify right side
    48,362x = 5,919,455,844
  5. Step 5: Solve for x
    x = 5,919,455,844/48,362
  6. Step 6: Final answer
    x = 122,398.91

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.