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Finding the Third Proportional to 125,900 and 195,231

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Solution

The third proportional to 125,900 and 195,231 is: 302,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,900 : 195,231 = 195,231 : x
  2. Step 2: Convert to fraction form
    125,900/195,231 = 195,231/x
  3. Step 3: Cross multiply
    125,900x = 195,231 × 195,231
  4. Step 4: Simplify right side
    125,900x = 38,115,143,361
  5. Step 5: Solve for x
    x = 38,115,143,361/125,900
  6. Step 6: Final answer
    x = 302,741.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.