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Finding the Third Proportional to 18,568.13 and 40,659.19

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Solution

The third proportional to 18,568.13 and 40,659.19 is: 89,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.13 : 40,659.19 = 40,659.19 : x
  2. Step 2: Convert to fraction form
    18,568.13/40,659.19 = 40,659.19/x
  3. Step 3: Cross multiply
    18,568.13x = 40,659.19 × 40,659.19
  4. Step 4: Simplify right side
    18,568.13x = 1,653,169,528.16
  5. Step 5: Solve for x
    x = 1,653,169,528.16/18,568.13
  6. Step 6: Final answer
    x = 89,032.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.