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Finding the Third Proportional to 3,620,821 and 7,539,269

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Solution

The third proportional to 3,620,821 and 7,539,269 is: 15,698,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,821 : 7,539,269 = 7,539,269 : x
  2. Step 2: Convert to fraction form
    3,620,821/7,539,269 = 7,539,269/x
  3. Step 3: Cross multiply
    3,620,821x = 7,539,269 × 7,539,269
  4. Step 4: Simplify right side
    3,620,821x = 56,840,577,054,361
  5. Step 5: Solve for x
    x = 56,840,577,054,361/3,620,821
  6. Step 6: Final answer
    x = 15,698,256.57

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.