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Finding the Third Proportional to 551,405 and 843,327

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Solution

The third proportional to 551,405 and 843,327 is: 1,289,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,405 : 843,327 = 843,327 : x
  2. Step 2: Convert to fraction form
    551,405/843,327 = 843,327/x
  3. Step 3: Cross multiply
    551,405x = 843,327 × 843,327
  4. Step 4: Simplify right side
    551,405x = 711,200,428,929
  5. Step 5: Solve for x
    x = 711,200,428,929/551,405
  6. Step 6: Final answer
    x = 1,289,796.84

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