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Finding the Third Proportional to 373,883 and 815,434

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Solution

The third proportional to 373,883 and 815,434 is: 1,778,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,883 : 815,434 = 815,434 : x
  2. Step 2: Convert to fraction form
    373,883/815,434 = 815,434/x
  3. Step 3: Cross multiply
    373,883x = 815,434 × 815,434
  4. Step 4: Simplify right side
    373,883x = 664,932,608,356
  5. Step 5: Solve for x
    x = 664,932,608,356/373,883
  6. Step 6: Final answer
    x = 1,778,451.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.