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Finding the Third Proportional to 101,817 and 223,560

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Solution

The third proportional to 101,817 and 223,560 is: 490,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,817 : 223,560 = 223,560 : x
  2. Step 2: Convert to fraction form
    101,817/223,560 = 223,560/x
  3. Step 3: Cross multiply
    101,817x = 223,560 × 223,560
  4. Step 4: Simplify right side
    101,817x = 49,979,073,600
  5. Step 5: Solve for x
    x = 49,979,073,600/101,817
  6. Step 6: Final answer
    x = 490,871.60

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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.