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Finding the Third Proportional to 4,538.81 and 6,810.19

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Solution

The third proportional to 4,538.81 and 6,810.19 is: 10,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.81 : 6,810.19 = 6,810.19 : x
  2. Step 2: Convert to fraction form
    4,538.81/6,810.19 = 6,810.19/x
  3. Step 3: Cross multiply
    4,538.81x = 6,810.19 × 6,810.19
  4. Step 4: Simplify right side
    4,538.81x = 46,378,653.79
  5. Step 5: Solve for x
    x = 46,378,653.79/4,538.81
  6. Step 6: Final answer
    x = 10,218.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.