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Finding the Third Proportional to 120,933 and 262,855.13

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Solution

The third proportional to 120,933 and 262,855.13 is: 571,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933 : 262,855.13 = 262,855.13 : x
  2. Step 2: Convert to fraction form
    120,933/262,855.13 = 262,855.13/x
  3. Step 3: Cross multiply
    120,933x = 262,855.13 × 262,855.13
  4. Step 4: Simplify right side
    120,933x = 69,092,816,738.77
  5. Step 5: Solve for x
    x = 69,092,816,738.77/120,933
  6. Step 6: Final answer
    x = 571,331.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.