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Finding the Third Proportional to 153,750,661.31 and 247,589,201.81

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Solution

The third proportional to 153,750,661.31 and 247,589,201.81 is: 398,700,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,750,661.31 : 247,589,201.81 = 247,589,201.81 : x
  2. Step 2: Convert to fraction form
    153,750,661.31/247,589,201.81 = 247,589,201.81/x
  3. Step 3: Cross multiply
    153,750,661.31x = 247,589,201.81 × 247,589,201.81
  4. Step 4: Simplify right side
    153,750,661.31x = 61,300,412,854,150,856
  5. Step 5: Solve for x
    x = 61,300,412,854,150,856/153,750,661.31
  6. Step 6: Final answer
    x = 398,700,157.33

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.