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Finding the Third Proportional to 29,978,228 and 45,293,960

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Solution

The third proportional to 29,978,228 and 45,293,960 is: 68,434,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978,228 : 45,293,960 = 45,293,960 : x
  2. Step 2: Convert to fraction form
    29,978,228/45,293,960 = 45,293,960/x
  3. Step 3: Cross multiply
    29,978,228x = 45,293,960 × 45,293,960
  4. Step 4: Simplify right side
    29,978,228x = 2,051,542,812,481,600
  5. Step 5: Solve for x
    x = 2,051,542,812,481,600/29,978,228
  6. Step 6: Final answer
    x = 68,434,425.56

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.