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Finding the Third Proportional to 310,891.50 and 466,330.50

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Solution

The third proportional to 310,891.50 and 466,330.50 is: 699,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,891.50 : 466,330.50 = 466,330.50 : x
  2. Step 2: Convert to fraction form
    310,891.50/466,330.50 = 466,330.50/x
  3. Step 3: Cross multiply
    310,891.50x = 466,330.50 × 466,330.50
  4. Step 4: Simplify right side
    310,891.50x = 217,464,135,230.25
  5. Step 5: Solve for x
    x = 217,464,135,230.25/310,891.50
  6. Step 6: Final answer
    x = 699,485.63

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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.