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Finding the Third Proportional to 20,165,515 and 30,995,849

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Solution

The third proportional to 20,165,515 and 30,995,849 is: 47,642,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,515 : 30,995,849 = 30,995,849 : x
  2. Step 2: Convert to fraction form
    20,165,515/30,995,849 = 30,995,849/x
  3. Step 3: Cross multiply
    20,165,515x = 30,995,849 × 30,995,849
  4. Step 4: Simplify right side
    20,165,515x = 960,742,655,230,801
  5. Step 5: Solve for x
    x = 960,742,655,230,801/20,165,515
  6. Step 6: Final answer
    x = 47,642,852.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.