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Finding the Third Proportional to 6,391,027 and 8,989,405

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Solution

The third proportional to 6,391,027 and 8,989,405 is: 12,644,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,027 : 8,989,405 = 8,989,405 : x
  2. Step 2: Convert to fraction form
    6,391,027/8,989,405 = 8,989,405/x
  3. Step 3: Cross multiply
    6,391,027x = 8,989,405 × 8,989,405
  4. Step 4: Simplify right side
    6,391,027x = 80,809,402,254,025
  5. Step 5: Solve for x
    x = 80,809,402,254,025/6,391,027
  6. Step 6: Final answer
    x = 12,644,196.66

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.