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Finding the Third Proportional to 17,995.50 and 39,489.19

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Solution

The third proportional to 17,995.50 and 39,489.19 is: 86,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.50 : 39,489.19 = 39,489.19 : x
  2. Step 2: Convert to fraction form
    17,995.50/39,489.19 = 39,489.19/x
  3. Step 3: Cross multiply
    17,995.50x = 39,489.19 × 39,489.19
  4. Step 4: Simplify right side
    17,995.50x = 1,559,395,929.41
  5. Step 5: Solve for x
    x = 1,559,395,929.41/17,995.50
  6. Step 6: Final answer
    x = 86,654.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.