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Finding the Third Proportional to 71,058,546 and 155,489,949

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Solution

The third proportional to 71,058,546 and 155,489,949 is: 340,242,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058,546 : 155,489,949 = 155,489,949 : x
  2. Step 2: Convert to fraction form
    71,058,546/155,489,949 = 155,489,949/x
  3. Step 3: Cross multiply
    71,058,546x = 155,489,949 × 155,489,949
  4. Step 4: Simplify right side
    71,058,546x = 24,177,124,240,022,600
  5. Step 5: Solve for x
    x = 24,177,124,240,022,600/71,058,546
  6. Step 6: Final answer
    x = 340,242,315.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.