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Finding the Third Proportional to 234,940.50 and 378,290.25

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Solution

The third proportional to 234,940.50 and 378,290.25 is: 609,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,940.50 : 378,290.25 = 378,290.25 : x
  2. Step 2: Convert to fraction form
    234,940.50/378,290.25 = 378,290.25/x
  3. Step 3: Cross multiply
    234,940.50x = 378,290.25 × 378,290.25
  4. Step 4: Simplify right side
    234,940.50x = 143,103,513,245.06
  5. Step 5: Solve for x
    x = 143,103,513,245.06/234,940.50
  6. Step 6: Final answer
    x = 609,105.34

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.