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Finding the Third Proportional to 172,929,654 and 373,414,865.63

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Solution

The third proportional to 172,929,654 and 373,414,865.63 is: 806,331,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,929,654 : 373,414,865.63 = 373,414,865.63 : x
  2. Step 2: Convert to fraction form
    172,929,654/373,414,865.63 = 373,414,865.63/x
  3. Step 3: Cross multiply
    172,929,654x = 373,414,865.63 × 373,414,865.63
  4. Step 4: Simplify right side
    172,929,654x = 139,438,661,869,736,800
  5. Step 5: Solve for x
    x = 139,438,661,869,736,800/172,929,654
  6. Step 6: Final answer
    x = 806,331,699.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.