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Finding the Third Proportional to 72,683,619 and 159,489,636

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Solution

The third proportional to 72,683,619 and 159,489,636 is: 349,968,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,683,619 : 159,489,636 = 159,489,636 : x
  2. Step 2: Convert to fraction form
    72,683,619/159,489,636 = 159,489,636/x
  3. Step 3: Cross multiply
    72,683,619x = 159,489,636 × 159,489,636
  4. Step 4: Simplify right side
    72,683,619x = 25,436,943,991,412,496
  5. Step 5: Solve for x
    x = 25,436,943,991,412,496/72,683,619
  6. Step 6: Final answer
    x = 349,968,044.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.