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Finding the Third Proportional to 150,420 and 199,669.50

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Solution

The third proportional to 150,420 and 199,669.50 is: 265,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,420 : 199,669.50 = 199,669.50 : x
  2. Step 2: Convert to fraction form
    150,420/199,669.50 = 199,669.50/x
  3. Step 3: Cross multiply
    150,420x = 199,669.50 × 199,669.50
  4. Step 4: Simplify right side
    150,420x = 39,867,909,230.25
  5. Step 5: Solve for x
    x = 39,867,909,230.25/150,420
  6. Step 6: Final answer
    x = 265,043.94

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.