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Finding the Third Proportional to 18,481.69 and 40,461.75

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Solution

The third proportional to 18,481.69 and 40,461.75 is: 88,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.69 : 40,461.75 = 40,461.75 : x
  2. Step 2: Convert to fraction form
    18,481.69/40,461.75 = 40,461.75/x
  3. Step 3: Cross multiply
    18,481.69x = 40,461.75 × 40,461.75
  4. Step 4: Simplify right side
    18,481.69x = 1,637,153,213.06
  5. Step 5: Solve for x
    x = 1,637,153,213.06/18,481.69
  6. Step 6: Final answer
    x = 88,582.45

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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.