Home / 200,012,622.75-300,551,437.13

Finding the Third Proportional to 200,012,622.75 and 300,551,437.13

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Solution

The third proportional to 200,012,622.75 and 300,551,437.13 is: 451,627,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,622.75 : 300,551,437.13 = 300,551,437.13 : x
  2. Step 2: Convert to fraction form
    200,012,622.75/300,551,437.13 = 300,551,437.13/x
  3. Step 3: Cross multiply
    200,012,622.75x = 300,551,437.13 × 300,551,437.13
  4. Step 4: Simplify right side
    200,012,622.75x = 90,331,166,357,902,832
  5. Step 5: Solve for x
    x = 90,331,166,357,902,832/200,012,622.75
  6. Step 6: Final answer
    x = 451,627,327.90

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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.