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Finding the Third Proportional to 408,351,392 and 627,665,268

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Solution

The third proportional to 408,351,392 and 627,665,268 is: 964,766,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,351,392 : 627,665,268 = 627,665,268 : x
  2. Step 2: Convert to fraction form
    408,351,392/627,665,268 = 627,665,268/x
  3. Step 3: Cross multiply
    408,351,392x = 627,665,268 × 627,665,268
  4. Step 4: Simplify right side
    408,351,392x = 393,963,688,653,511,808
  5. Step 5: Solve for x
    x = 393,963,688,653,511,808/408,351,392
  6. Step 6: Final answer
    x = 964,766,366.35

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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.