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Finding the Third Proportional to 18,643,825.25 and 43,948,679.75

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Solution

The third proportional to 18,643,825.25 and 43,948,679.75 is: 103,599,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643,825.25 : 43,948,679.75 = 43,948,679.75 : x
  2. Step 2: Convert to fraction form
    18,643,825.25/43,948,679.75 = 43,948,679.75/x
  3. Step 3: Cross multiply
    18,643,825.25x = 43,948,679.75 × 43,948,679.75
  4. Step 4: Simplify right side
    18,643,825.25x = 1,931,486,451,768,060
  5. Step 5: Solve for x
    x = 1,931,486,451,768,060/18,643,825.25
  6. Step 6: Final answer
    x = 103,599,257.44

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.