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Finding the Third Proportional to 10,809 and 16,220.25

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Solution

The third proportional to 10,809 and 16,220.25 is: 24,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809 : 16,220.25 = 16,220.25 : x
  2. Step 2: Convert to fraction form
    10,809/16,220.25 = 16,220.25/x
  3. Step 3: Cross multiply
    10,809x = 16,220.25 × 16,220.25
  4. Step 4: Simplify right side
    10,809x = 263,096,510.06
  5. Step 5: Solve for x
    x = 263,096,510.06/10,809
  6. Step 6: Final answer
    x = 24,340.50

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1.5x scale

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.