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Finding the Third Proportional to 172,301,122 and 368,821,812

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Solution

The third proportional to 172,301,122 and 368,821,812 is: 789,487,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301,122 : 368,821,812 = 368,821,812 : x
  2. Step 2: Convert to fraction form
    172,301,122/368,821,812 = 368,821,812/x
  3. Step 3: Cross multiply
    172,301,122x = 368,821,812 × 368,821,812
  4. Step 4: Simplify right side
    172,301,122x = 136,029,529,006,963,344
  5. Step 5: Solve for x
    x = 136,029,529,006,963,344/172,301,122
  6. Step 6: Final answer
    x = 789,487,192.12

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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.