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Finding the Third Proportional to 408,352,552 and 627,667,122

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Solution

The third proportional to 408,352,552 and 627,667,122 is: 964,769,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,352,552 : 627,667,122 = 627,667,122 : x
  2. Step 2: Convert to fraction form
    408,352,552/627,667,122 = 627,667,122/x
  3. Step 3: Cross multiply
    408,352,552x = 627,667,122 × 627,667,122
  4. Step 4: Simplify right side
    408,352,552x = 393,966,016,039,762,880
  5. Step 5: Solve for x
    x = 393,966,016,039,762,880/408,352,552
  6. Step 6: Final answer
    x = 964,769,325.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.