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Finding the Third Proportional to 18,507.66 and 40,616.02

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Solution

The third proportional to 18,507.66 and 40,616.02 is: 89,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.66 : 40,616.02 = 40,616.02 : x
  2. Step 2: Convert to fraction form
    18,507.66/40,616.02 = 40,616.02/x
  3. Step 3: Cross multiply
    18,507.66x = 40,616.02 × 40,616.02
  4. Step 4: Simplify right side
    18,507.66x = 1,649,660,725.25
  5. Step 5: Solve for x
    x = 1,649,660,725.25/18,507.66
  6. Step 6: Final answer
    x = 89,133.96

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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.