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Finding the Third Proportional to 164,223 and 353,775

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Solution

The third proportional to 164,223 and 353,775 is: 762,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,223 : 353,775 = 353,775 : x
  2. Step 2: Convert to fraction form
    164,223/353,775 = 353,775/x
  3. Step 3: Cross multiply
    164,223x = 353,775 × 353,775
  4. Step 4: Simplify right side
    164,223x = 125,156,750,625
  5. Step 5: Solve for x
    x = 125,156,750,625/164,223
  6. Step 6: Final answer
    x = 762,114.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.