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Finding the Third Proportional to 366,926 and 561,331

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Solution

The third proportional to 366,926 and 561,331 is: 858,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926 : 561,331 = 561,331 : x
  2. Step 2: Convert to fraction form
    366,926/561,331 = 561,331/x
  3. Step 3: Cross multiply
    366,926x = 561,331 × 561,331
  4. Step 4: Simplify right side
    366,926x = 315,092,491,561
  5. Step 5: Solve for x
    x = 315,092,491,561/366,926
  6. Step 6: Final answer
    x = 858,735.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.