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Finding the Third Proportional to 18,464.63 and 40,619.63

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Solution

The third proportional to 18,464.63 and 40,619.63 is: 89,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.63 : 40,619.63 = 40,619.63 : x
  2. Step 2: Convert to fraction form
    18,464.63/40,619.63 = 40,619.63/x
  3. Step 3: Cross multiply
    18,464.63x = 40,619.63 × 40,619.63
  4. Step 4: Simplify right side
    18,464.63x = 1,649,953,935.14
  5. Step 5: Solve for x
    x = 1,649,953,935.14/18,464.63
  6. Step 6: Final answer
    x = 89,357.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.