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Finding the Third Proportional to 72,058,794 and 111,534,903

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Solution

The third proportional to 72,058,794 and 111,534,903 is: 172,637,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,058,794 : 111,534,903 = 111,534,903 : x
  2. Step 2: Convert to fraction form
    72,058,794/111,534,903 = 111,534,903/x
  3. Step 3: Cross multiply
    72,058,794x = 111,534,903 × 111,534,903
  4. Step 4: Simplify right side
    72,058,794x = 12,440,034,587,219,408
  5. Step 5: Solve for x
    x = 12,440,034,587,219,408/72,058,794
  6. Step 6: Final answer
    x = 172,637,285.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.