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Finding the Third Proportional to 13,089 and 29,080.50

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Solution

The third proportional to 13,089 and 29,080.50 is: 64,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089 : 29,080.50 = 29,080.50 : x
  2. Step 2: Convert to fraction form
    13,089/29,080.50 = 29,080.50/x
  3. Step 3: Cross multiply
    13,089x = 29,080.50 × 29,080.50
  4. Step 4: Simplify right side
    13,089x = 845,675,480.25
  5. Step 5: Solve for x
    x = 845,675,480.25/13,089
  6. Step 6: Final answer
    x = 64,609.63

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.