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Finding the Third Proportional to 161,203,370 and 349,775,949

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Solution

The third proportional to 161,203,370 and 349,775,949 is: 758,937,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203,370 : 349,775,949 = 349,775,949 : x
  2. Step 2: Convert to fraction form
    161,203,370/349,775,949 = 349,775,949/x
  3. Step 3: Cross multiply
    161,203,370x = 349,775,949 × 349,775,949
  4. Step 4: Simplify right side
    161,203,370x = 122,343,214,498,850,608
  5. Step 5: Solve for x
    x = 122,343,214,498,850,608/161,203,370
  6. Step 6: Final answer
    x = 758,937,077.42

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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.