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Finding the Third Proportional to 225,913 and 491,202.50

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Solution

The third proportional to 225,913 and 491,202.50 is: 1,068,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,913 : 491,202.50 = 491,202.50 : x
  2. Step 2: Convert to fraction form
    225,913/491,202.50 = 491,202.50/x
  3. Step 3: Cross multiply
    225,913x = 491,202.50 × 491,202.50
  4. Step 4: Simplify right side
    225,913x = 241,279,896,006.25
  5. Step 5: Solve for x
    x = 241,279,896,006.25/225,913
  6. Step 6: Final answer
    x = 1,068,021.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.