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Finding the Third Proportional to 17,070 and 18,852

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Solution

The third proportional to 17,070 and 18,852 is: 20,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070 : 18,852 = 18,852 : x
  2. Step 2: Convert to fraction form
    17,070/18,852 = 18,852/x
  3. Step 3: Cross multiply
    17,070x = 18,852 × 18,852
  4. Step 4: Simplify right side
    17,070x = 355,397,904
  5. Step 5: Solve for x
    x = 355,397,904/17,070
  6. Step 6: Final answer
    x = 20,820.03

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.