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Finding the Third Proportional to 42,968,940.75 and 68,151,408.75

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Solution

The third proportional to 42,968,940.75 and 68,151,408.75 is: 108,092,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968,940.75 : 68,151,408.75 = 68,151,408.75 : x
  2. Step 2: Convert to fraction form
    42,968,940.75/68,151,408.75 = 68,151,408.75/x
  3. Step 3: Cross multiply
    42,968,940.75x = 68,151,408.75 × 68,151,408.75
  4. Step 4: Simplify right side
    42,968,940.75x = 4,644,614,514,609,577
  5. Step 5: Solve for x
    x = 4,644,614,514,609,577/42,968,940.75
  6. Step 6: Final answer
    x = 108,092,367.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.