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Finding the Third Proportional to 49,380 and 75,982

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Solution

The third proportional to 49,380 and 75,982 is: 116,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380 : 75,982 = 75,982 : x
  2. Step 2: Convert to fraction form
    49,380/75,982 = 75,982/x
  3. Step 3: Cross multiply
    49,380x = 75,982 × 75,982
  4. Step 4: Simplify right side
    49,380x = 5,773,264,324
  5. Step 5: Solve for x
    x = 5,773,264,324/49,380
  6. Step 6: Final answer
    x = 116,915.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.