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Finding the Third Proportional to 204,321 and 306,760.50

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Solution

The third proportional to 204,321 and 306,760.50 is: 460,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,321 : 306,760.50 = 306,760.50 : x
  2. Step 2: Convert to fraction form
    204,321/306,760.50 = 306,760.50/x
  3. Step 3: Cross multiply
    204,321x = 306,760.50 × 306,760.50
  4. Step 4: Simplify right side
    204,321x = 94,102,004,360.25
  5. Step 5: Solve for x
    x = 94,102,004,360.25/204,321
  6. Step 6: Final answer
    x = 460,559.63

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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.