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Finding the Third Proportional to 20,334,401 and 30,978,070

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Solution

The third proportional to 20,334,401 and 30,978,070 is: 47,192,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,401 : 30,978,070 = 30,978,070 : x
  2. Step 2: Convert to fraction form
    20,334,401/30,978,070 = 30,978,070/x
  3. Step 3: Cross multiply
    20,334,401x = 30,978,070 × 30,978,070
  4. Step 4: Simplify right side
    20,334,401x = 959,640,820,924,900
  5. Step 5: Solve for x
    x = 959,640,820,924,900/20,334,401
  6. Step 6: Final answer
    x = 47,192,972.19

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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.