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Finding the Third Proportional to 20,487.94 and 37,027.13

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Solution

The third proportional to 20,487.94 and 37,027.13 is: 66,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487.94 : 37,027.13 = 37,027.13 : x
  2. Step 2: Convert to fraction form
    20,487.94/37,027.13 = 37,027.13/x
  3. Step 3: Cross multiply
    20,487.94x = 37,027.13 × 37,027.13
  4. Step 4: Simplify right side
    20,487.94x = 1,371,007,985.77
  5. Step 5: Solve for x
    x = 1,371,007,985.77/20,487.94
  6. Step 6: Final answer
    x = 66,917.81

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.