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Finding the Third Proportional to 360,634.50 and 512,599.50

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Solution

The third proportional to 360,634.50 and 512,599.50 is: 728,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,634.50 : 512,599.50 = 512,599.50 : x
  2. Step 2: Convert to fraction form
    360,634.50/512,599.50 = 512,599.50/x
  3. Step 3: Cross multiply
    360,634.50x = 512,599.50 × 512,599.50
  4. Step 4: Simplify right side
    360,634.50x = 262,758,247,400.25
  5. Step 5: Solve for x
    x = 262,758,247,400.25/360,634.50
  6. Step 6: Final answer
    x = 728,599.86

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.