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Finding the Third Proportional to 4,650 and 6,394.50

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Solution

The third proportional to 4,650 and 6,394.50 is: 8,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650 : 6,394.50 = 6,394.50 : x
  2. Step 2: Convert to fraction form
    4,650/6,394.50 = 6,394.50/x
  3. Step 3: Cross multiply
    4,650x = 6,394.50 × 6,394.50
  4. Step 4: Simplify right side
    4,650x = 40,889,630.25
  5. Step 5: Solve for x
    x = 40,889,630.25/4,650
  6. Step 6: Final answer
    x = 8,793.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.