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Finding the Third Proportional to 87,191,702 and 186,901,974

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Solution

The third proportional to 87,191,702 and 186,901,974 is: 400,638,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,191,702 : 186,901,974 = 186,901,974 : x
  2. Step 2: Convert to fraction form
    87,191,702/186,901,974 = 186,901,974/x
  3. Step 3: Cross multiply
    87,191,702x = 186,901,974 × 186,901,974
  4. Step 4: Simplify right side
    87,191,702x = 34,932,347,885,096,676
  5. Step 5: Solve for x
    x = 34,932,347,885,096,676/87,191,702
  6. Step 6: Final answer
    x = 400,638,444.76

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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.