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Finding the Third Proportional to 264,900.75 and 378,317.25

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Solution

The third proportional to 264,900.75 and 378,317.25 is: 540,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,900.75 : 378,317.25 = 378,317.25 : x
  2. Step 2: Convert to fraction form
    264,900.75/378,317.25 = 378,317.25/x
  3. Step 3: Cross multiply
    264,900.75x = 378,317.25 × 378,317.25
  4. Step 4: Simplify right side
    264,900.75x = 143,123,941,647.56
  5. Step 5: Solve for x
    x = 143,123,941,647.56/264,900.75
  6. Step 6: Final answer
    x = 540,292.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.