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Finding the Third Proportional to 18,802.13 and 40,062.38

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Solution

The third proportional to 18,802.13 and 40,062.38 is: 85,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.13 : 40,062.38 = 40,062.38 : x
  2. Step 2: Convert to fraction form
    18,802.13/40,062.38 = 40,062.38/x
  3. Step 3: Cross multiply
    18,802.13x = 40,062.38 × 40,062.38
  4. Step 4: Simplify right side
    18,802.13x = 1,604,993,890.64
  5. Step 5: Solve for x
    x = 1,604,993,890.64/18,802.13
  6. Step 6: Final answer
    x = 85,362.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.