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Finding the Third Proportional to 4,367.36 and 6,810.53

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Solution

The third proportional to 4,367.36 and 6,810.53 is: 10,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.36 : 6,810.53 = 6,810.53 : x
  2. Step 2: Convert to fraction form
    4,367.36/6,810.53 = 6,810.53/x
  3. Step 3: Cross multiply
    4,367.36x = 6,810.53 × 6,810.53
  4. Step 4: Simplify right side
    4,367.36x = 46,383,262.75
  5. Step 5: Solve for x
    x = 46,383,262.75/4,367.36
  6. Step 6: Final answer
    x = 10,620.45

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.