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Finding the Third Proportional to 20,952 and 45,120.38

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Solution

The third proportional to 20,952 and 45,120.38 is: 97,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952 : 45,120.38 = 45,120.38 : x
  2. Step 2: Convert to fraction form
    20,952/45,120.38 = 45,120.38/x
  3. Step 3: Cross multiply
    20,952x = 45,120.38 × 45,120.38
  4. Step 4: Simplify right side
    20,952x = 2,035,848,240.14
  5. Step 5: Solve for x
    x = 2,035,848,240.14/20,952
  6. Step 6: Final answer
    x = 97,167.25

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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.