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Finding the Third Proportional to 62,728,366 and 135,880,248

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Solution

The third proportional to 62,728,366 and 135,880,248 is: 294,339,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728,366 : 135,880,248 = 135,880,248 : x
  2. Step 2: Convert to fraction form
    62,728,366/135,880,248 = 135,880,248/x
  3. Step 3: Cross multiply
    62,728,366x = 135,880,248 × 135,880,248
  4. Step 4: Simplify right side
    62,728,366x = 18,463,441,796,541,504
  5. Step 5: Solve for x
    x = 18,463,441,796,541,504/62,728,366
  6. Step 6: Final answer
    x = 294,339,594.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.