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Finding the Third Proportional to 3,954,692 and 8,634,278

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Solution

The third proportional to 3,954,692 and 8,634,278 is: 18,851,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,692 : 8,634,278 = 8,634,278 : x
  2. Step 2: Convert to fraction form
    3,954,692/8,634,278 = 8,634,278/x
  3. Step 3: Cross multiply
    3,954,692x = 8,634,278 × 8,634,278
  4. Step 4: Simplify right side
    3,954,692x = 74,550,756,581,284
  5. Step 5: Solve for x
    x = 74,550,756,581,284/3,954,692
  6. Step 6: Final answer
    x = 18,851,216.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.