Home / 200,012,145.75-300,550,753.13

Finding the Third Proportional to 200,012,145.75 and 300,550,753.13

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Solution

The third proportional to 200,012,145.75 and 300,550,753.13 is: 451,626,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,145.75 : 300,550,753.13 = 300,550,753.13 : x
  2. Step 2: Convert to fraction form
    200,012,145.75/300,550,753.13 = 300,550,753.13/x
  3. Step 3: Cross multiply
    200,012,145.75x = 300,550,753.13 × 300,550,753.13
  4. Step 4: Simplify right side
    200,012,145.75x = 90,330,755,204,004,704
  5. Step 5: Solve for x
    x = 90,330,755,204,004,704/200,012,145.75
  6. Step 6: Final answer
    x = 451,626,349.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.