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Finding the Third Proportional to 6,790.50 and 14,197.50

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Solution

The third proportional to 6,790.50 and 14,197.50 is: 29,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.50 : 14,197.50 = 14,197.50 : x
  2. Step 2: Convert to fraction form
    6,790.50/14,197.50 = 14,197.50/x
  3. Step 3: Cross multiply
    6,790.50x = 14,197.50 × 14,197.50
  4. Step 4: Simplify right side
    6,790.50x = 201,569,006.25
  5. Step 5: Solve for x
    x = 201,569,006.25/6,790.50
  6. Step 6: Final answer
    x = 29,683.97

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.