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Finding the Third Proportional to 12,477 and 18,350.75

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Solution

The third proportional to 12,477 and 18,350.75 is: 26,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477 : 18,350.75 = 18,350.75 : x
  2. Step 2: Convert to fraction form
    12,477/18,350.75 = 18,350.75/x
  3. Step 3: Cross multiply
    12,477x = 18,350.75 × 18,350.75
  4. Step 4: Simplify right side
    12,477x = 336,750,025.56
  5. Step 5: Solve for x
    x = 336,750,025.56/12,477
  6. Step 6: Final answer
    x = 26,989.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.