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Finding the Third Proportional to 172,580,782 and 370,775,710

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Solution

The third proportional to 172,580,782 and 370,775,710 is: 796,581,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,580,782 : 370,775,710 = 370,775,710 : x
  2. Step 2: Convert to fraction form
    172,580,782/370,775,710 = 370,775,710/x
  3. Step 3: Cross multiply
    172,580,782x = 370,775,710 × 370,775,710
  4. Step 4: Simplify right side
    172,580,782x = 137,474,627,126,004,096
  5. Step 5: Solve for x
    x = 137,474,627,126,004,096/172,580,782
  6. Step 6: Final answer
    x = 796,581,319.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.