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Finding the Third Proportional to 252,729,768 and 388,291,356

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Solution

The third proportional to 252,729,768 and 388,291,356 is: 596,566,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,729,768 : 388,291,356 = 388,291,356 : x
  2. Step 2: Convert to fraction form
    252,729,768/388,291,356 = 388,291,356/x
  3. Step 3: Cross multiply
    252,729,768x = 388,291,356 × 388,291,356
  4. Step 4: Simplify right side
    252,729,768x = 150,770,177,144,318,720
  5. Step 5: Solve for x
    x = 150,770,177,144,318,720/252,729,768
  6. Step 6: Final answer
    x = 596,566,753.25

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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.