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Finding the Third Proportional to 30,650 and 47,068

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Solution

The third proportional to 30,650 and 47,068 is: 72,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650 : 47,068 = 47,068 : x
  2. Step 2: Convert to fraction form
    30,650/47,068 = 47,068/x
  3. Step 3: Cross multiply
    30,650x = 47,068 × 47,068
  4. Step 4: Simplify right side
    30,650x = 2,215,396,624
  5. Step 5: Solve for x
    x = 2,215,396,624/30,650
  6. Step 6: Final answer
    x = 72,280.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.