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Finding the Third Proportional to 172,301,116 and 368,821,799

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Solution

The third proportional to 172,301,116 and 368,821,799 is: 789,487,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301,116 : 368,821,799 = 368,821,799 : x
  2. Step 2: Convert to fraction form
    172,301,116/368,821,799 = 368,821,799/x
  3. Step 3: Cross multiply
    172,301,116x = 368,821,799 × 368,821,799
  4. Step 4: Simplify right side
    172,301,116x = 136,029,519,417,596,400
  5. Step 5: Solve for x
    x = 136,029,519,417,596,400/172,301,116
  6. Step 6: Final answer
    x = 789,487,163.96

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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.