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Finding the Third Proportional to 17,730 and 36,270

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Solution

The third proportional to 17,730 and 36,270 is: 74,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730 : 36,270 = 36,270 : x
  2. Step 2: Convert to fraction form
    17,730/36,270 = 36,270/x
  3. Step 3: Cross multiply
    17,730x = 36,270 × 36,270
  4. Step 4: Simplify right side
    17,730x = 1,315,512,900
  5. Step 5: Solve for x
    x = 1,315,512,900/17,730
  6. Step 6: Final answer
    x = 74,197.01

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.