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Finding the Third Proportional to 28,436,489 and 61,253,215

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Solution

The third proportional to 28,436,489 and 61,253,215 is: 131,941,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436,489 : 61,253,215 = 61,253,215 : x
  2. Step 2: Convert to fraction form
    28,436,489/61,253,215 = 61,253,215/x
  3. Step 3: Cross multiply
    28,436,489x = 61,253,215 × 61,253,215
  4. Step 4: Simplify right side
    28,436,489x = 3,751,956,347,836,225
  5. Step 5: Solve for x
    x = 3,751,956,347,836,225/28,436,489
  6. Step 6: Final answer
    x = 131,941,617.26

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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.