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Finding the Third Proportional to 36,279,182 and 78,935,430

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Solution

The third proportional to 36,279,182 and 78,935,430 is: 171,745,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279,182 : 78,935,430 = 78,935,430 : x
  2. Step 2: Convert to fraction form
    36,279,182/78,935,430 = 78,935,430/x
  3. Step 3: Cross multiply
    36,279,182x = 78,935,430 × 78,935,430
  4. Step 4: Simplify right side
    36,279,182x = 6,230,802,109,284,900
  5. Step 5: Solve for x
    x = 6,230,802,109,284,900/36,279,182
  6. Step 6: Final answer
    x = 171,745,937.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.