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Finding the Third Proportional to 222,768 and 345,464

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Solution

The third proportional to 222,768 and 345,464 is: 535,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,768 : 345,464 = 345,464 : x
  2. Step 2: Convert to fraction form
    222,768/345,464 = 345,464/x
  3. Step 3: Cross multiply
    222,768x = 345,464 × 345,464
  4. Step 4: Simplify right side
    222,768x = 119,345,375,296
  5. Step 5: Solve for x
    x = 119,345,375,296/222,768
  6. Step 6: Final answer
    x = 535,738.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.