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Finding the Third Proportional to 49,050 and 77,721

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Solution

The third proportional to 49,050 and 77,721 is: 123,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,050 : 77,721 = 77,721 : x
  2. Step 2: Convert to fraction form
    49,050/77,721 = 77,721/x
  3. Step 3: Cross multiply
    49,050x = 77,721 × 77,721
  4. Step 4: Simplify right side
    49,050x = 6,040,553,841
  5. Step 5: Solve for x
    x = 6,040,553,841/49,050
  6. Step 6: Final answer
    x = 123,150.94

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.