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Finding the Third Proportional to 157,292,987 and 244,220,921.50

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Solution

The third proportional to 157,292,987 and 244,220,921.50 is: 379,189,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,292,987 : 244,220,921.50 = 244,220,921.50 : x
  2. Step 2: Convert to fraction form
    157,292,987/244,220,921.50 = 244,220,921.50/x
  3. Step 3: Cross multiply
    157,292,987x = 244,220,921.50 × 244,220,921.50
  4. Step 4: Simplify right side
    157,292,987x = 59,643,858,498,309,160
  5. Step 5: Solve for x
    x = 59,643,858,498,309,160/157,292,987
  6. Step 6: Final answer
    x = 379,189,559.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.