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Finding the Third Proportional to 125,768.50 and 190,273

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Solution

The third proportional to 125,768.50 and 190,273 is: 287,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,768.50 : 190,273 = 190,273 : x
  2. Step 2: Convert to fraction form
    125,768.50/190,273 = 190,273/x
  3. Step 3: Cross multiply
    125,768.50x = 190,273 × 190,273
  4. Step 4: Simplify right side
    125,768.50x = 36,203,814,529
  5. Step 5: Solve for x
    x = 36,203,814,529/125,768.50
  6. Step 6: Final answer
    x = 287,860.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.