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Finding the Third Proportional to 20,932.75 and 45,145.25

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Solution

The third proportional to 20,932.75 and 45,145.25 is: 97,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.75 : 45,145.25 = 45,145.25 : x
  2. Step 2: Convert to fraction form
    20,932.75/45,145.25 = 45,145.25/x
  3. Step 3: Cross multiply
    20,932.75x = 45,145.25 × 45,145.25
  4. Step 4: Simplify right side
    20,932.75x = 2,038,093,597.56
  5. Step 5: Solve for x
    x = 2,038,093,597.56/20,932.75
  6. Step 6: Final answer
    x = 97,363.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.