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Finding the Third Proportional to 234,391 and 505,286

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Solution

The third proportional to 234,391 and 505,286 is: 1,089,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,391 : 505,286 = 505,286 : x
  2. Step 2: Convert to fraction form
    234,391/505,286 = 505,286/x
  3. Step 3: Cross multiply
    234,391x = 505,286 × 505,286
  4. Step 4: Simplify right side
    234,391x = 255,313,941,796
  5. Step 5: Solve for x
    x = 255,313,941,796/234,391
  6. Step 6: Final answer
    x = 1,089,265.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.