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Finding the Third Proportional to 4,436.63 and 6,687.38

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Solution

The third proportional to 4,436.63 and 6,687.38 is: 10,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.63 : 6,687.38 = 6,687.38 : x
  2. Step 2: Convert to fraction form
    4,436.63/6,687.38 = 6,687.38/x
  3. Step 3: Cross multiply
    4,436.63x = 6,687.38 × 6,687.38
  4. Step 4: Simplify right side
    4,436.63x = 44,720,984.39
  5. Step 5: Solve for x
    x = 44,720,984.39/4,436.63
  6. Step 6: Final answer
    x = 10,079.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.