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Finding the Third Proportional to 111,220 and 244,574

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Solution

The third proportional to 111,220 and 244,574 is: 537,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220 : 244,574 = 244,574 : x
  2. Step 2: Convert to fraction form
    111,220/244,574 = 244,574/x
  3. Step 3: Cross multiply
    111,220x = 244,574 × 244,574
  4. Step 4: Simplify right side
    111,220x = 59,816,441,476
  5. Step 5: Solve for x
    x = 59,816,441,476/111,220
  6. Step 6: Final answer
    x = 537,820.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.