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Finding the Third Proportional to 157,292,986 and 244,220,920

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Solution

The third proportional to 157,292,986 and 244,220,920 is: 379,189,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,292,986 : 244,220,920 = 244,220,920 : x
  2. Step 2: Convert to fraction form
    157,292,986/244,220,920 = 244,220,920/x
  3. Step 3: Cross multiply
    157,292,986x = 244,220,920 × 244,220,920
  4. Step 4: Simplify right side
    157,292,986x = 59,643,857,765,646,400
  5. Step 5: Solve for x
    x = 59,643,857,765,646,400/157,292,986
  6. Step 6: Final answer
    x = 379,189,557.54

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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.