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Finding the Third Proportional to 21,871.03 and 33,930.47

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Solution

The third proportional to 21,871.03 and 33,930.47 is: 52,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871.03 : 33,930.47 = 33,930.47 : x
  2. Step 2: Convert to fraction form
    21,871.03/33,930.47 = 33,930.47/x
  3. Step 3: Cross multiply
    21,871.03x = 33,930.47 × 33,930.47
  4. Step 4: Simplify right side
    21,871.03x = 1,151,276,709.59
  5. Step 5: Solve for x
    x = 1,151,276,709.59/21,871.03
  6. Step 6: Final answer
    x = 52,639.34

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.