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Finding the Third Proportional to 20,437.31 and 43,993.13

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Solution

The third proportional to 20,437.31 and 43,993.13 is: 94,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.31 : 43,993.13 = 43,993.13 : x
  2. Step 2: Convert to fraction form
    20,437.31/43,993.13 = 43,993.13/x
  3. Step 3: Cross multiply
    20,437.31x = 43,993.13 × 43,993.13
  4. Step 4: Simplify right side
    20,437.31x = 1,935,395,047.27
  5. Step 5: Solve for x
    x = 1,935,395,047.27/20,437.31
  6. Step 6: Final answer
    x = 94,699.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.