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Finding the Third Proportional to 328,644 and 529,108

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Solution

The third proportional to 328,644 and 529,108 is: 851,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,644 : 529,108 = 529,108 : x
  2. Step 2: Convert to fraction form
    328,644/529,108 = 529,108/x
  3. Step 3: Cross multiply
    328,644x = 529,108 × 529,108
  4. Step 4: Simplify right side
    328,644x = 279,955,275,664
  5. Step 5: Solve for x
    x = 279,955,275,664/328,644
  6. Step 6: Final answer
    x = 851,849.65

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.