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Finding the Third Proportional to 72,673,632 and 159,471,857

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Solution

The third proportional to 72,673,632 and 159,471,857 is: 349,938,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673,632 : 159,471,857 = 159,471,857 : x
  2. Step 2: Convert to fraction form
    72,673,632/159,471,857 = 159,471,857/x
  3. Step 3: Cross multiply
    72,673,632x = 159,471,857 × 159,471,857
  4. Step 4: Simplify right side
    72,673,632x = 25,431,273,175,028,448
  5. Step 5: Solve for x
    x = 25,431,273,175,028,448/72,673,632
  6. Step 6: Final answer
    x = 349,938,106.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.