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Finding the Third Proportional to 172,628,577 and 263,251,539

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Solution

The third proportional to 172,628,577 and 263,251,539 is: 401,447,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,628,577 : 263,251,539 = 263,251,539 : x
  2. Step 2: Convert to fraction form
    172,628,577/263,251,539 = 263,251,539/x
  3. Step 3: Cross multiply
    172,628,577x = 263,251,539 × 263,251,539
  4. Step 4: Simplify right side
    172,628,577x = 69,301,372,785,868,520
  5. Step 5: Solve for x
    x = 69,301,372,785,868,520/172,628,577
  6. Step 6: Final answer
    x = 401,447,859.85

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.