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Finding the Third Proportional to 28,321,520 and 43,733,384

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Solution

The third proportional to 28,321,520 and 43,733,384 is: 67,531,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321,520 : 43,733,384 = 43,733,384 : x
  2. Step 2: Convert to fraction form
    28,321,520/43,733,384 = 43,733,384/x
  3. Step 3: Cross multiply
    28,321,520x = 43,733,384 × 43,733,384
  4. Step 4: Simplify right side
    28,321,520x = 1,912,608,876,091,456
  5. Step 5: Solve for x
    x = 1,912,608,876,091,456/28,321,520
  6. Step 6: Final answer
    x = 67,531,999.56

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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.