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Finding the Third Proportional to 253,828 and 380,794

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Solution

The third proportional to 253,828 and 380,794 is: 571,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,828 : 380,794 = 380,794 : x
  2. Step 2: Convert to fraction form
    253,828/380,794 = 380,794/x
  3. Step 3: Cross multiply
    253,828x = 380,794 × 380,794
  4. Step 4: Simplify right side
    253,828x = 145,004,070,436
  5. Step 5: Solve for x
    x = 145,004,070,436/253,828
  6. Step 6: Final answer
    x = 571,269.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.