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Finding the Third Proportional to 18,445.22 and 40,011.47

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Solution

The third proportional to 18,445.22 and 40,011.47 is: 86,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.22 : 40,011.47 = 40,011.47 : x
  2. Step 2: Convert to fraction form
    18,445.22/40,011.47 = 40,011.47/x
  3. Step 3: Cross multiply
    18,445.22x = 40,011.47 × 40,011.47
  4. Step 4: Simplify right side
    18,445.22x = 1,600,917,631.53
  5. Step 5: Solve for x
    x = 1,600,917,631.53/18,445.22
  6. Step 6: Final answer
    x = 86,793.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.