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Finding the Third Proportional to 305,361.75 and 401,549.25

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Solution

The third proportional to 305,361.75 and 401,549.25 is: 528,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,361.75 : 401,549.25 = 401,549.25 : x
  2. Step 2: Convert to fraction form
    305,361.75/401,549.25 = 401,549.25/x
  3. Step 3: Cross multiply
    305,361.75x = 401,549.25 × 401,549.25
  4. Step 4: Simplify right side
    305,361.75x = 161,241,800,175.56
  5. Step 5: Solve for x
    x = 161,241,800,175.56/305,361.75
  6. Step 6: Final answer
    x = 528,035.36

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.