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Finding the Third Proportional to 55,679,674 and 84,236,149

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Solution

The third proportional to 55,679,674 and 84,236,149 is: 127,438,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679,674 : 84,236,149 = 84,236,149 : x
  2. Step 2: Convert to fraction form
    55,679,674/84,236,149 = 84,236,149/x
  3. Step 3: Cross multiply
    55,679,674x = 84,236,149 × 84,236,149
  4. Step 4: Simplify right side
    55,679,674x = 7,095,728,798,350,201
  5. Step 5: Solve for x
    x = 7,095,728,798,350,201/55,679,674
  6. Step 6: Final answer
    x = 127,438,404.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.