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Finding the Third Proportional to 289,795.50 and 629,494.50

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Solution

The third proportional to 289,795.50 and 629,494.50 is: 1,367,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,795.50 : 629,494.50 = 629,494.50 : x
  2. Step 2: Convert to fraction form
    289,795.50/629,494.50 = 629,494.50/x
  3. Step 3: Cross multiply
    289,795.50x = 629,494.50 × 629,494.50
  4. Step 4: Simplify right side
    289,795.50x = 396,263,325,530.25
  5. Step 5: Solve for x
    x = 396,263,325,530.25/289,795.50
  6. Step 6: Final answer
    x = 1,367,389.51

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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.