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Finding the Third Proportional to 3,080.81 and 4,701.09

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Solution

The third proportional to 3,080.81 and 4,701.09 is: 7,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.81 : 4,701.09 = 4,701.09 : x
  2. Step 2: Convert to fraction form
    3,080.81/4,701.09 = 4,701.09/x
  3. Step 3: Cross multiply
    3,080.81x = 4,701.09 × 4,701.09
  4. Step 4: Simplify right side
    3,080.81x = 22,100,282.45
  5. Step 5: Solve for x
    x = 22,100,282.45/3,080.81
  6. Step 6: Final answer
    x = 7,173.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.