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Finding the Third Proportional to 388,268 and 795,356

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Solution

The third proportional to 388,268 and 795,356 is: 1,629,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,268 : 795,356 = 795,356 : x
  2. Step 2: Convert to fraction form
    388,268/795,356 = 795,356/x
  3. Step 3: Cross multiply
    388,268x = 795,356 × 795,356
  4. Step 4: Simplify right side
    388,268x = 632,591,166,736
  5. Step 5: Solve for x
    x = 632,591,166,736/388,268
  6. Step 6: Final answer
    x = 1,629,264.24

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.