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Finding the Third Proportional to 11,196.13 and 16,920.19

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Solution

The third proportional to 11,196.13 and 16,920.19 is: 25,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.13 : 16,920.19 = 16,920.19 : x
  2. Step 2: Convert to fraction form
    11,196.13/16,920.19 = 16,920.19/x
  3. Step 3: Cross multiply
    11,196.13x = 16,920.19 × 16,920.19
  4. Step 4: Simplify right side
    11,196.13x = 286,292,745.04
  5. Step 5: Solve for x
    x = 286,292,745.04/11,196.13
  6. Step 6: Final answer
    x = 25,570.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.