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Finding the Third Proportional to 238,195,707.75 and 515,962,993.50

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Solution

The third proportional to 238,195,707.75 and 515,962,993.50 is: 1,117,643,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,195,707.75 : 515,962,993.50 = 515,962,993.50 : x
  2. Step 2: Convert to fraction form
    238,195,707.75/515,962,993.50 = 515,962,993.50/x
  3. Step 3: Cross multiply
    238,195,707.75x = 515,962,993.50 × 515,962,993.50
  4. Step 4: Simplify right side
    238,195,707.75x = 266,217,810,661,481,056
  5. Step 5: Solve for x
    x = 266,217,810,661,481,056/238,195,707.75
  6. Step 6: Final answer
    x = 1,117,643,190.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.