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Finding the Third Proportional to 121,233 and 263,202

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Solution

The third proportional to 121,233 and 263,202 is: 571,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,233 : 263,202 = 263,202 : x
  2. Step 2: Convert to fraction form
    121,233/263,202 = 263,202/x
  3. Step 3: Cross multiply
    121,233x = 263,202 × 263,202
  4. Step 4: Simplify right side
    121,233x = 69,275,292,804
  5. Step 5: Solve for x
    x = 69,275,292,804/121,233
  6. Step 6: Final answer
    x = 571,422.74

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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.