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Finding the Third Proportional to 223,286.63 and 490,860

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Solution

The third proportional to 223,286.63 and 490,860 is: 1,079,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,286.63 : 490,860 = 490,860 : x
  2. Step 2: Convert to fraction form
    223,286.63/490,860 = 490,860/x
  3. Step 3: Cross multiply
    223,286.63x = 490,860 × 490,860
  4. Step 4: Simplify right side
    223,286.63x = 240,943,539,600
  5. Step 5: Solve for x
    x = 240,943,539,600/223,286.63
  6. Step 6: Final answer
    x = 1,079,077.35

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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.