Home / 209,483,741.25-455,227,395.75

Finding the Third Proportional to 209,483,741.25 and 455,227,395.75

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Solution

The third proportional to 209,483,741.25 and 455,227,395.75 is: 989,250,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,483,741.25 : 455,227,395.75 = 455,227,395.75 : x
  2. Step 2: Convert to fraction form
    209,483,741.25/455,227,395.75 = 455,227,395.75/x
  3. Step 3: Cross multiply
    209,483,741.25x = 455,227,395.75 × 455,227,395.75
  4. Step 4: Simplify right side
    209,483,741.25x = 207,231,981,841,327,104
  5. Step 5: Solve for x
    x = 207,231,981,841,327,104/209,483,741.25
  6. Step 6: Final answer
    x = 989,250,910.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.