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Finding the Third Proportional to 87,305,887 and 190,112,138

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Solution

The third proportional to 87,305,887 and 190,112,138 is: 413,976,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305,887 : 190,112,138 = 190,112,138 : x
  2. Step 2: Convert to fraction form
    87,305,887/190,112,138 = 190,112,138/x
  3. Step 3: Cross multiply
    87,305,887x = 190,112,138 × 190,112,138
  4. Step 4: Simplify right side
    87,305,887x = 36,142,625,014,931,040
  5. Step 5: Solve for x
    x = 36,142,625,014,931,040/87,305,887
  6. Step 6: Final answer
    x = 413,976,952.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.