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Finding the Third Proportional to 3,047.63 and 6,640.88

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Solution

The third proportional to 3,047.63 and 6,640.88 is: 14,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.63 : 6,640.88 = 6,640.88 : x
  2. Step 2: Convert to fraction form
    3,047.63/6,640.88 = 6,640.88/x
  3. Step 3: Cross multiply
    3,047.63x = 6,640.88 × 6,640.88
  4. Step 4: Simplify right side
    3,047.63x = 44,101,220.77
  5. Step 5: Solve for x
    x = 44,101,220.77/3,047.63
  6. Step 6: Final answer
    x = 14,470.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.