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Finding the Third Proportional to 20,284,778 and 45,104,980

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Solution

The third proportional to 20,284,778 and 45,104,980 is: 100,294,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,778 : 45,104,980 = 45,104,980 : x
  2. Step 2: Convert to fraction form
    20,284,778/45,104,980 = 45,104,980/x
  3. Step 3: Cross multiply
    20,284,778x = 45,104,980 × 45,104,980
  4. Step 4: Simplify right side
    20,284,778x = 2,034,459,220,800,400
  5. Step 5: Solve for x
    x = 2,034,459,220,800,400/20,284,778
  6. Step 6: Final answer
    x = 100,294,872.38

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.