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Finding the Third Proportional to 8,057.81 and 12,451.22

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Solution

The third proportional to 8,057.81 and 12,451.22 is: 19,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.81 : 12,451.22 = 12,451.22 : x
  2. Step 2: Convert to fraction form
    8,057.81/12,451.22 = 12,451.22/x
  3. Step 3: Cross multiply
    8,057.81x = 12,451.22 × 12,451.22
  4. Step 4: Simplify right side
    8,057.81x = 155,032,848.36
  5. Step 5: Solve for x
    x = 155,032,848.36/8,057.81
  6. Step 6: Final answer
    x = 19,240.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.