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Finding the Third Proportional to 49,326 and 77,296

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Solution

The third proportional to 49,326 and 77,296 is: 121,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,326 : 77,296 = 77,296 : x
  2. Step 2: Convert to fraction form
    49,326/77,296 = 77,296/x
  3. Step 3: Cross multiply
    49,326x = 77,296 × 77,296
  4. Step 4: Simplify right side
    49,326x = 5,974,671,616
  5. Step 5: Solve for x
    x = 5,974,671,616/49,326
  6. Step 6: Final answer
    x = 121,126.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.