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Finding the Third Proportional to 103,017 and 225,720

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Solution

The third proportional to 103,017 and 225,720 is: 494,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017 : 225,720 = 225,720 : x
  2. Step 2: Convert to fraction form
    103,017/225,720 = 225,720/x
  3. Step 3: Cross multiply
    103,017x = 225,720 × 225,720
  4. Step 4: Simplify right side
    103,017x = 50,949,518,400
  5. Step 5: Solve for x
    x = 50,949,518,400/103,017
  6. Step 6: Final answer
    x = 494,573.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.