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Finding the Third Proportional to 131,601.75 and 211,938

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Solution

The third proportional to 131,601.75 and 211,938 is: 341,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601.75 : 211,938 = 211,938 : x
  2. Step 2: Convert to fraction form
    131,601.75/211,938 = 211,938/x
  3. Step 3: Cross multiply
    131,601.75x = 211,938 × 211,938
  4. Step 4: Simplify right side
    131,601.75x = 44,917,715,844
  5. Step 5: Solve for x
    x = 44,917,715,844/131,601.75
  6. Step 6: Final answer
    x = 341,315.49

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.