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Finding the Third Proportional to 18,113.63 and 38,262.38

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Solution

The third proportional to 18,113.63 and 38,262.38 is: 80,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.63 : 38,262.38 = 38,262.38 : x
  2. Step 2: Convert to fraction form
    18,113.63/38,262.38 = 38,262.38/x
  3. Step 3: Cross multiply
    18,113.63x = 38,262.38 × 38,262.38
  4. Step 4: Simplify right side
    18,113.63x = 1,464,009,340.64
  5. Step 5: Solve for x
    x = 1,464,009,340.64/18,113.63
  6. Step 6: Final answer
    x = 80,823.65

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.