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Finding the Third Proportional to 172,108,212.75 and 368,773,560

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Solution

The third proportional to 172,108,212.75 and 368,773,560 is: 790,165,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,108,212.75 : 368,773,560 = 368,773,560 : x
  2. Step 2: Convert to fraction form
    172,108,212.75/368,773,560 = 368,773,560/x
  3. Step 3: Cross multiply
    172,108,212.75x = 368,773,560 × 368,773,560
  4. Step 4: Simplify right side
    172,108,212.75x = 135,993,938,555,073,600
  5. Step 5: Solve for x
    x = 135,993,938,555,073,600/172,108,212.75
  6. Step 6: Final answer
    x = 790,165,305.78

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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.