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Finding the Third Proportional to 169,374,992 and 258,930,456

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Solution

The third proportional to 169,374,992 and 258,930,456 is: 395,837,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,374,992 : 258,930,456 = 258,930,456 : x
  2. Step 2: Convert to fraction form
    169,374,992/258,930,456 = 258,930,456/x
  3. Step 3: Cross multiply
    169,374,992x = 258,930,456 × 258,930,456
  4. Step 4: Simplify right side
    169,374,992x = 67,044,981,044,367,936
  5. Step 5: Solve for x
    x = 67,044,981,044,367,936/169,374,992
  6. Step 6: Final answer
    x = 395,837,545.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.