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Finding the Third Proportional to 11,998.13 and 18,784.13

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Solution

The third proportional to 11,998.13 and 18,784.13 is: 29,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.13 : 18,784.13 = 18,784.13 : x
  2. Step 2: Convert to fraction form
    11,998.13/18,784.13 = 18,784.13/x
  3. Step 3: Cross multiply
    11,998.13x = 18,784.13 × 18,784.13
  4. Step 4: Simplify right side
    11,998.13x = 352,843,352.02
  5. Step 5: Solve for x
    x = 352,843,352.02/11,998.13
  6. Step 6: Final answer
    x = 29,408.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.