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Finding the Third Proportional to 172,620,035 and 369,725,722

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Solution

The third proportional to 172,620,035 and 369,725,722 is: 791,895,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,620,035 : 369,725,722 = 369,725,722 : x
  2. Step 2: Convert to fraction form
    172,620,035/369,725,722 = 369,725,722/x
  3. Step 3: Cross multiply
    172,620,035x = 369,725,722 × 369,725,722
  4. Step 4: Simplify right side
    172,620,035x = 136,697,109,508,421,280
  5. Step 5: Solve for x
    x = 136,697,109,508,421,280/172,620,035
  6. Step 6: Final answer
    x = 791,895,966.82

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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.