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Finding the Third Proportional to 422,273 and 633,965.50

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Solution

The third proportional to 422,273 and 633,965.50 is: 951,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,273 : 633,965.50 = 633,965.50 : x
  2. Step 2: Convert to fraction form
    422,273/633,965.50 = 633,965.50/x
  3. Step 3: Cross multiply
    422,273x = 633,965.50 × 633,965.50
  4. Step 4: Simplify right side
    422,273x = 401,912,255,190.25
  5. Step 5: Solve for x
    x = 401,912,255,190.25/422,273
  6. Step 6: Final answer
    x = 951,782.98

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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.