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Finding the Third Proportional to 21,958.28 and 47,252.11

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Solution

The third proportional to 21,958.28 and 47,252.11 is: 101,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.28 : 47,252.11 = 47,252.11 : x
  2. Step 2: Convert to fraction form
    21,958.28/47,252.11 = 47,252.11/x
  3. Step 3: Cross multiply
    21,958.28x = 47,252.11 × 47,252.11
  4. Step 4: Simplify right side
    21,958.28x = 2,232,761,840.39
  5. Step 5: Solve for x
    x = 2,232,761,840.39/21,958.28
  6. Step 6: Final answer
    x = 101,682.01

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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.