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Finding the Third Proportional to 8,609,722 and 18,898,790

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Solution

The third proportional to 8,609,722 and 18,898,790 is: 41,483,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,722 : 18,898,790 = 18,898,790 : x
  2. Step 2: Convert to fraction form
    8,609,722/18,898,790 = 18,898,790/x
  3. Step 3: Cross multiply
    8,609,722x = 18,898,790 × 18,898,790
  4. Step 4: Simplify right side
    8,609,722x = 357,164,263,464,100
  5. Step 5: Solve for x
    x = 357,164,263,464,100/8,609,722
  6. Step 6: Final answer
    x = 41,483,832.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.