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Finding the Third Proportional to 11,107.13 and 18,867.94

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Solution

The third proportional to 11,107.13 and 18,867.94 is: 32,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.13 : 18,867.94 = 18,867.94 : x
  2. Step 2: Convert to fraction form
    11,107.13/18,867.94 = 18,867.94/x
  3. Step 3: Cross multiply
    11,107.13x = 18,867.94 × 18,867.94
  4. Step 4: Simplify right side
    11,107.13x = 355,999,065.50
  5. Step 5: Solve for x
    x = 355,999,065.50/11,107.13
  6. Step 6: Final answer
    x = 32,051.41

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.