Home / 199,126,504.75-311,681,007.75

Finding the Third Proportional to 199,126,504.75 and 311,681,007.75

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Solution

The third proportional to 199,126,504.75 and 311,681,007.75 is: 487,855,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,126,504.75 : 311,681,007.75 = 311,681,007.75 : x
  2. Step 2: Convert to fraction form
    199,126,504.75/311,681,007.75 = 311,681,007.75/x
  3. Step 3: Cross multiply
    199,126,504.75x = 311,681,007.75 × 311,681,007.75
  4. Step 4: Simplify right side
    199,126,504.75x = 97,145,050,592,055,568
  5. Step 5: Solve for x
    x = 97,145,050,592,055,568/199,126,504.75
  6. Step 6: Final answer
    x = 487,855,952.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.