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Finding the Third Proportional to 4,287 and 6,793.50

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Solution

The third proportional to 4,287 and 6,793.50 is: 10,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287 : 6,793.50 = 6,793.50 : x
  2. Step 2: Convert to fraction form
    4,287/6,793.50 = 6,793.50/x
  3. Step 3: Cross multiply
    4,287x = 6,793.50 × 6,793.50
  4. Step 4: Simplify right side
    4,287x = 46,151,642.25
  5. Step 5: Solve for x
    x = 46,151,642.25/4,287
  6. Step 6: Final answer
    x = 10,765.49

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.