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Finding the Third Proportional to 366,999.75 and 806,170.50

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Solution

The third proportional to 366,999.75 and 806,170.50 is: 1,770,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,999.75 : 806,170.50 = 806,170.50 : x
  2. Step 2: Convert to fraction form
    366,999.75/806,170.50 = 806,170.50/x
  3. Step 3: Cross multiply
    366,999.75x = 806,170.50 × 806,170.50
  4. Step 4: Simplify right side
    366,999.75x = 649,910,875,070.25
  5. Step 5: Solve for x
    x = 649,910,875,070.25/366,999.75
  6. Step 6: Final answer
    x = 1,770,875.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.