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Finding the Third Proportional to 111,060 and 239,860

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Solution

The third proportional to 111,060 and 239,860 is: 518,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,060 : 239,860 = 239,860 : x
  2. Step 2: Convert to fraction form
    111,060/239,860 = 239,860/x
  3. Step 3: Cross multiply
    111,060x = 239,860 × 239,860
  4. Step 4: Simplify right side
    111,060x = 57,532,819,600
  5. Step 5: Solve for x
    x = 57,532,819,600/111,060
  6. Step 6: Final answer
    x = 518,033.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.