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Finding the Third Proportional to 86,136,278 and 132,397,687

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Solution

The third proportional to 86,136,278 and 132,397,687 is: 203,504,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136,278 : 132,397,687 = 132,397,687 : x
  2. Step 2: Convert to fraction form
    86,136,278/132,397,687 = 132,397,687/x
  3. Step 3: Cross multiply
    86,136,278x = 132,397,687 × 132,397,687
  4. Step 4: Simplify right side
    86,136,278x = 17,529,147,522,949,968
  5. Step 5: Solve for x
    x = 17,529,147,522,949,968/86,136,278
  6. Step 6: Final answer
    x = 203,504,817.37

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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.