Home / 168,353,076.38-361,769,172.75

Finding the Third Proportional to 168,353,076.38 and 361,769,172.75

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Solution

The third proportional to 168,353,076.38 and 361,769,172.75 is: 777,395,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,353,076.38 : 361,769,172.75 = 361,769,172.75 : x
  2. Step 2: Convert to fraction form
    168,353,076.38/361,769,172.75 = 361,769,172.75/x
  3. Step 3: Cross multiply
    168,353,076.38x = 361,769,172.75 × 361,769,172.75
  4. Step 4: Simplify right side
    168,353,076.38x = 130,876,934,352,219,344
  5. Step 5: Solve for x
    x = 130,876,934,352,219,344/168,353,076.38
  6. Step 6: Final answer
    x = 777,395,561.58

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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.