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Finding the Third Proportional to 394,005 and 591,007.50

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Solution

The third proportional to 394,005 and 591,007.50 is: 886,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,005 : 591,007.50 = 591,007.50 : x
  2. Step 2: Convert to fraction form
    394,005/591,007.50 = 591,007.50/x
  3. Step 3: Cross multiply
    394,005x = 591,007.50 × 591,007.50
  4. Step 4: Simplify right side
    394,005x = 349,289,865,056.25
  5. Step 5: Solve for x
    x = 349,289,865,056.25/394,005
  6. Step 6: Final answer
    x = 886,511.25

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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.