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Finding the Third Proportional to 149,518,696 and 218,601,556

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Solution

The third proportional to 149,518,696 and 218,601,556 is: 319,603,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518,696 : 218,601,556 = 218,601,556 : x
  2. Step 2: Convert to fraction form
    149,518,696/218,601,556 = 218,601,556/x
  3. Step 3: Cross multiply
    149,518,696x = 218,601,556 × 218,601,556
  4. Step 4: Simplify right side
    149,518,696x = 47,786,640,285,621,136
  5. Step 5: Solve for x
    x = 47,786,640,285,621,136/149,518,696
  6. Step 6: Final answer
    x = 319,603,110.27

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.