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Finding the Third Proportional to 43,275,791 and 67,395,221

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Solution

The third proportional to 43,275,791 and 67,395,221 is: 104,957,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275,791 : 67,395,221 = 67,395,221 : x
  2. Step 2: Convert to fraction form
    43,275,791/67,395,221 = 67,395,221/x
  3. Step 3: Cross multiply
    43,275,791x = 67,395,221 × 67,395,221
  4. Step 4: Simplify right side
    43,275,791x = 4,542,115,813,638,841
  5. Step 5: Solve for x
    x = 4,542,115,813,638,841/43,275,791
  6. Step 6: Final answer
    x = 104,957,430.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.