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Finding the Third Proportional to 5,407 and 8,077

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Solution

The third proportional to 5,407 and 8,077 is: 12,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407 : 8,077 = 8,077 : x
  2. Step 2: Convert to fraction form
    5,407/8,077 = 8,077/x
  3. Step 3: Cross multiply
    5,407x = 8,077 × 8,077
  4. Step 4: Simplify right side
    5,407x = 65,237,929
  5. Step 5: Solve for x
    x = 65,237,929/5,407
  6. Step 6: Final answer
    x = 12,065.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.