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Finding the Third Proportional to 666,214 and 1,465,288

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Solution

The third proportional to 666,214 and 1,465,288 is: 3,222,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,214 : 1,465,288 = 1,465,288 : x
  2. Step 2: Convert to fraction form
    666,214/1,465,288 = 1,465,288/x
  3. Step 3: Cross multiply
    666,214x = 1,465,288 × 1,465,288
  4. Step 4: Simplify right side
    666,214x = 2,147,068,922,944
  5. Step 5: Solve for x
    x = 2,147,068,922,944/666,214
  6. Step 6: Final answer
    x = 3,222,791.66

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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.