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Finding the Third Proportional to 179,752,871.25 and 387,273,625.88

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Solution

The third proportional to 179,752,871.25 and 387,273,625.88 is: 834,372,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,752,871.25 : 387,273,625.88 = 387,273,625.88 : x
  2. Step 2: Convert to fraction form
    179,752,871.25/387,273,625.88 = 387,273,625.88/x
  3. Step 3: Cross multiply
    179,752,871.25x = 387,273,625.88 × 387,273,625.88
  4. Step 4: Simplify right side
    179,752,871.25x = 149,980,861,298,369,472
  5. Step 5: Solve for x
    x = 149,980,861,298,369,472/179,752,871.25
  6. Step 6: Final answer
    x = 834,372,548.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.