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Finding the Third Proportional to 120,744 and 259,875

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Solution

The third proportional to 120,744 and 259,875 is: 559,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744 : 259,875 = 259,875 : x
  2. Step 2: Convert to fraction form
    120,744/259,875 = 259,875/x
  3. Step 3: Cross multiply
    120,744x = 259,875 × 259,875
  4. Step 4: Simplify right side
    120,744x = 67,535,015,625
  5. Step 5: Solve for x
    x = 67,535,015,625/120,744
  6. Step 6: Final answer
    x = 559,323.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.