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Finding the Third Proportional to 378,441 and 569,241

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Solution

The third proportional to 378,441 and 569,241 is: 856,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,441 : 569,241 = 569,241 : x
  2. Step 2: Convert to fraction form
    378,441/569,241 = 569,241/x
  3. Step 3: Cross multiply
    378,441x = 569,241 × 569,241
  4. Step 4: Simplify right side
    378,441x = 324,035,316,081
  5. Step 5: Solve for x
    x = 324,035,316,081/378,441
  6. Step 6: Final answer
    x = 856,237.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.