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Finding the Third Proportional to 87,191,703 and 186,901,976

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Solution

The third proportional to 87,191,703 and 186,901,976 is: 400,638,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,191,703 : 186,901,976 = 186,901,976 : x
  2. Step 2: Convert to fraction form
    87,191,703/186,901,976 = 186,901,976/x
  3. Step 3: Cross multiply
    87,191,703x = 186,901,976 × 186,901,976
  4. Step 4: Simplify right side
    87,191,703x = 34,932,348,632,704,576
  5. Step 5: Solve for x
    x = 34,932,348,632,704,576/87,191,703
  6. Step 6: Final answer
    x = 400,638,448.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.