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Finding the Third Proportional to 110,720 and 229,320

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Solution

The third proportional to 110,720 and 229,320 is: 474,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720 : 229,320 = 229,320 : x
  2. Step 2: Convert to fraction form
    110,720/229,320 = 229,320/x
  3. Step 3: Cross multiply
    110,720x = 229,320 × 229,320
  4. Step 4: Simplify right side
    110,720x = 52,587,662,400
  5. Step 5: Solve for x
    x = 52,587,662,400/110,720
  6. Step 6: Final answer
    x = 474,960.82

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.