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Finding the Third Proportional to 328,845 and 707,598

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Solution

The third proportional to 328,845 and 707,598 is: 1,522,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,845 : 707,598 = 707,598 : x
  2. Step 2: Convert to fraction form
    328,845/707,598 = 707,598/x
  3. Step 3: Cross multiply
    328,845x = 707,598 × 707,598
  4. Step 4: Simplify right side
    328,845x = 500,694,929,604
  5. Step 5: Solve for x
    x = 500,694,929,604/328,845
  6. Step 6: Final answer
    x = 1,522,586.41

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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.