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Finding the Third Proportional to 20,503,970 and 45,100,708

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Solution

The third proportional to 20,503,970 and 45,100,708 is: 99,203,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,970 : 45,100,708 = 45,100,708 : x
  2. Step 2: Convert to fraction form
    20,503,970/45,100,708 = 45,100,708/x
  3. Step 3: Cross multiply
    20,503,970x = 45,100,708 × 45,100,708
  4. Step 4: Simplify right side
    20,503,970x = 2,034,073,862,101,264
  5. Step 5: Solve for x
    x = 2,034,073,862,101,264/20,503,970
  6. Step 6: Final answer
    x = 99,203,903.54

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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.