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Finding the Third Proportional to 100,294 and 220,270

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Solution

The third proportional to 100,294 and 220,270 is: 483,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,294 : 220,270 = 220,270 : x
  2. Step 2: Convert to fraction form
    100,294/220,270 = 220,270/x
  3. Step 3: Cross multiply
    100,294x = 220,270 × 220,270
  4. Step 4: Simplify right side
    100,294x = 48,518,872,900
  5. Step 5: Solve for x
    x = 48,518,872,900/100,294
  6. Step 6: Final answer
    x = 483,766.46

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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.