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Finding the Third Proportional to 5,445 and 8,146.27

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Solution

The third proportional to 5,445 and 8,146.27 is: 12,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445 : 8,146.27 = 8,146.27 : x
  2. Step 2: Convert to fraction form
    5,445/8,146.27 = 8,146.27/x
  3. Step 3: Cross multiply
    5,445x = 8,146.27 × 8,146.27
  4. Step 4: Simplify right side
    5,445x = 66,361,643.63
  5. Step 5: Solve for x
    x = 66,361,643.63/5,445
  6. Step 6: Final answer
    x = 12,187.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.