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Finding the Third Proportional to 184,807 and 397,221

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Solution

The third proportional to 184,807 and 397,221 is: 853,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,807 : 397,221 = 397,221 : x
  2. Step 2: Convert to fraction form
    184,807/397,221 = 397,221/x
  3. Step 3: Cross multiply
    184,807x = 397,221 × 397,221
  4. Step 4: Simplify right side
    184,807x = 157,784,522,841
  5. Step 5: Solve for x
    x = 157,784,522,841/184,807
  6. Step 6: Final answer
    x = 853,780.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.