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Finding the Third Proportional to 168,271,383 and 258,485,440.50

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Solution

The third proportional to 168,271,383 and 258,485,440.50 is: 397,065,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271,383 : 258,485,440.50 = 258,485,440.50 : x
  2. Step 2: Convert to fraction form
    168,271,383/258,485,440.50 = 258,485,440.50/x
  3. Step 3: Cross multiply
    168,271,383x = 258,485,440.50 × 258,485,440.50
  4. Step 4: Simplify right side
    168,271,383x = 66,814,722,950,479,040
  5. Step 5: Solve for x
    x = 66,814,722,950,479,040/168,271,383
  6. Step 6: Final answer
    x = 397,065,274.91

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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.