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Finding the Third Proportional to 8,397 and 12,477.75

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Solution

The third proportional to 8,397 and 12,477.75 is: 18,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397 : 12,477.75 = 12,477.75 : x
  2. Step 2: Convert to fraction form
    8,397/12,477.75 = 12,477.75/x
  3. Step 3: Cross multiply
    8,397x = 12,477.75 × 12,477.75
  4. Step 4: Simplify right side
    8,397x = 155,694,245.06
  5. Step 5: Solve for x
    x = 155,694,245.06/8,397
  6. Step 6: Final answer
    x = 18,541.65

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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.