Home / 200,012,487.75-300,551,231.25

Finding the Third Proportional to 200,012,487.75 and 300,551,231.25

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Solution

The third proportional to 200,012,487.75 and 300,551,231.25 is: 451,627,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,487.75 : 300,551,231.25 = 300,551,231.25 : x
  2. Step 2: Convert to fraction form
    200,012,487.75/300,551,231.25 = 300,551,231.25/x
  3. Step 3: Cross multiply
    200,012,487.75x = 300,551,231.25 × 300,551,231.25
  4. Step 4: Simplify right side
    200,012,487.75x = 90,331,042,605,890,976
  5. Step 5: Solve for x
    x = 90,331,042,605,890,976/200,012,487.75
  6. Step 6: Final answer
    x = 451,627,014.00

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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.