Home / 200,012,601.75-300,551,403.38

Finding the Third Proportional to 200,012,601.75 and 300,551,403.38

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Solution

The third proportional to 200,012,601.75 and 300,551,403.38 is: 451,627,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,601.75 : 300,551,403.38 = 300,551,403.38 : x
  2. Step 2: Convert to fraction form
    200,012,601.75/300,551,403.38 = 300,551,403.38/x
  3. Step 3: Cross multiply
    200,012,601.75x = 300,551,403.38 × 300,551,403.38
  4. Step 4: Simplify right side
    200,012,601.75x = 90,331,146,070,681,968
  5. Step 5: Solve for x
    x = 90,331,146,070,681,968/200,012,601.75
  6. Step 6: Final answer
    x = 451,627,273.88

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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.