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Finding the Third Proportional to 8,045.50 and 12,769.75

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Solution

The third proportional to 8,045.50 and 12,769.75 is: 20,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.50 : 12,769.75 = 12,769.75 : x
  2. Step 2: Convert to fraction form
    8,045.50/12,769.75 = 12,769.75/x
  3. Step 3: Cross multiply
    8,045.50x = 12,769.75 × 12,769.75
  4. Step 4: Simplify right side
    8,045.50x = 163,066,515.06
  5. Step 5: Solve for x
    x = 163,066,515.06/8,045.50
  6. Step 6: Final answer
    x = 20,268.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.