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Finding the Third Proportional to 172,620,034 and 369,725,720

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Solution

The third proportional to 172,620,034 and 369,725,720 is: 791,895,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,620,034 : 369,725,720 = 369,725,720 : x
  2. Step 2: Convert to fraction form
    172,620,034/369,725,720 = 369,725,720/x
  3. Step 3: Cross multiply
    172,620,034x = 369,725,720 × 369,725,720
  4. Step 4: Simplify right side
    172,620,034x = 136,697,108,029,518,400
  5. Step 5: Solve for x
    x = 136,697,108,029,518,400/172,620,034
  6. Step 6: Final answer
    x = 791,895,962.84

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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.