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Finding the Third Proportional to 172,620,079 and 369,725,805

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Solution

The third proportional to 172,620,079 and 369,725,805 is: 791,896,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,620,079 : 369,725,805 = 369,725,805 : x
  2. Step 2: Convert to fraction form
    172,620,079/369,725,805 = 369,725,805/x
  3. Step 3: Cross multiply
    172,620,079x = 369,725,805 × 369,725,805
  4. Step 4: Simplify right side
    172,620,079x = 136,697,170,882,898,032
  5. Step 5: Solve for x
    x = 136,697,170,882,898,032/172,620,079
  6. Step 6: Final answer
    x = 791,896,120.51

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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.