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Finding the Third Proportional to 125,631 and 191,889

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Solution

The third proportional to 125,631 and 191,889 is: 293,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631 : 191,889 = 191,889 : x
  2. Step 2: Convert to fraction form
    125,631/191,889 = 191,889/x
  3. Step 3: Cross multiply
    125,631x = 191,889 × 191,889
  4. Step 4: Simplify right side
    125,631x = 36,821,388,321
  5. Step 5: Solve for x
    x = 36,821,388,321/125,631
  6. Step 6: Final answer
    x = 293,091.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.