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Finding the Third Proportional to 380,175.75 and 531,510.75

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Solution

The third proportional to 380,175.75 and 531,510.75 is: 743,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,175.75 : 531,510.75 = 531,510.75 : x
  2. Step 2: Convert to fraction form
    380,175.75/531,510.75 = 531,510.75/x
  3. Step 3: Cross multiply
    380,175.75x = 531,510.75 × 531,510.75
  4. Step 4: Simplify right side
    380,175.75x = 282,503,677,365.56
  5. Step 5: Solve for x
    x = 282,503,677,365.56/380,175.75
  6. Step 6: Final answer
    x = 743,087.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.