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Finding the Third Proportional to 20,454,478.50 and 45,449,286

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Solution

The third proportional to 20,454,478.50 and 45,449,286 is: 100,987,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,478.50 : 45,449,286 = 45,449,286 : x
  2. Step 2: Convert to fraction form
    20,454,478.50/45,449,286 = 45,449,286/x
  3. Step 3: Cross multiply
    20,454,478.50x = 45,449,286 × 45,449,286
  4. Step 4: Simplify right side
    20,454,478.50x = 2,065,637,597,909,796
  5. Step 5: Solve for x
    x = 2,065,637,597,909,796/20,454,478.50
  6. Step 6: Final answer
    x = 100,987,057.57

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.