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Finding the Third Proportional to 28,873,895.77 and 64,203,540.47

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Solution

The third proportional to 28,873,895.77 and 64,203,540.47 is: 142,761,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,895.77 : 64,203,540.47 = 64,203,540.47 : x
  2. Step 2: Convert to fraction form
    28,873,895.77/64,203,540.47 = 64,203,540.47/x
  3. Step 3: Cross multiply
    28,873,895.77x = 64,203,540.47 × 64,203,540.47
  4. Step 4: Simplify right side
    28,873,895.77x = 4,122,094,608,722,419
  5. Step 5: Solve for x
    x = 4,122,094,608,722,419/28,873,895.77
  6. Step 6: Final answer
    x = 142,761,982.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.