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Finding the Third Proportional to 291,908.25 and 628,832.25

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Solution

The third proportional to 291,908.25 and 628,832.25 is: 1,354,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,908.25 : 628,832.25 = 628,832.25 : x
  2. Step 2: Convert to fraction form
    291,908.25/628,832.25 = 628,832.25/x
  3. Step 3: Cross multiply
    291,908.25x = 628,832.25 × 628,832.25
  4. Step 4: Simplify right side
    291,908.25x = 395,429,998,640.06
  5. Step 5: Solve for x
    x = 395,429,998,640.06/291,908.25
  6. Step 6: Final answer
    x = 1,354,637.97

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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.