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Finding the Third Proportional to 217,950 and 330,184.50

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Solution

The third proportional to 217,950 and 330,184.50 is: 500,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,950 : 330,184.50 = 330,184.50 : x
  2. Step 2: Convert to fraction form
    217,950/330,184.50 = 330,184.50/x
  3. Step 3: Cross multiply
    217,950x = 330,184.50 × 330,184.50
  4. Step 4: Simplify right side
    217,950x = 109,021,804,040.25
  5. Step 5: Solve for x
    x = 109,021,804,040.25/217,950
  6. Step 6: Final answer
    x = 500,214.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.