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Finding the Third Proportional to 355,379 and 838,925

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Solution

The third proportional to 355,379 and 838,925 is: 1,980,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,379 : 838,925 = 838,925 : x
  2. Step 2: Convert to fraction form
    355,379/838,925 = 838,925/x
  3. Step 3: Cross multiply
    355,379x = 838,925 × 838,925
  4. Step 4: Simplify right side
    355,379x = 703,795,155,625
  5. Step 5: Solve for x
    x = 703,795,155,625/355,379
  6. Step 6: Final answer
    x = 1,980,407.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.