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Finding the Third Proportional to 4,396,512 and 6,978,390

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Solution

The third proportional to 4,396,512 and 6,978,390 is: 11,076,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396,512 : 6,978,390 = 6,978,390 : x
  2. Step 2: Convert to fraction form
    4,396,512/6,978,390 = 6,978,390/x
  3. Step 3: Cross multiply
    4,396,512x = 6,978,390 × 6,978,390
  4. Step 4: Simplify right side
    4,396,512x = 48,697,926,992,100
  5. Step 5: Solve for x
    x = 48,697,926,992,100/4,396,512
  6. Step 6: Final answer
    x = 11,076,491.32

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.