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Finding the Third Proportional to 144,511 and 226,990

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Solution

The third proportional to 144,511 and 226,990 is: 356,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511 : 226,990 = 226,990 : x
  2. Step 2: Convert to fraction form
    144,511/226,990 = 226,990/x
  3. Step 3: Cross multiply
    144,511x = 226,990 × 226,990
  4. Step 4: Simplify right side
    144,511x = 51,524,460,100
  5. Step 5: Solve for x
    x = 51,524,460,100/144,511
  6. Step 6: Final answer
    x = 356,543.52

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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.