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Finding the Third Proportional to 168,271,780 and 258,486,058

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Solution

The third proportional to 168,271,780 and 258,486,058 is: 397,066,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271,780 : 258,486,058 = 258,486,058 : x
  2. Step 2: Convert to fraction form
    168,271,780/258,486,058 = 258,486,058/x
  3. Step 3: Cross multiply
    168,271,780x = 258,486,058 × 258,486,058
  4. Step 4: Simplify right side
    168,271,780x = 66,815,042,180,379,360
  5. Step 5: Solve for x
    x = 66,815,042,180,379,360/168,271,780
  6. Step 6: Final answer
    x = 397,066,235.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.