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Finding the Third Proportional to 199,284,660.75 and 280,514,427.19

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Solution

The third proportional to 199,284,660.75 and 280,514,427.19 is: 394,853,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,660.75 : 280,514,427.19 = 280,514,427.19 : x
  2. Step 2: Convert to fraction form
    199,284,660.75/280,514,427.19 = 280,514,427.19/x
  3. Step 3: Cross multiply
    199,284,660.75x = 280,514,427.19 × 280,514,427.19
  4. Step 4: Simplify right side
    199,284,660.75x = 78,688,343,860,331,232
  5. Step 5: Solve for x
    x = 78,688,343,860,331,232/199,284,660.75
  6. Step 6: Final answer
    x = 394,853,992.09

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.