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Finding the Third Proportional to 815,932 and 1,777,029

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Solution

The third proportional to 815,932 and 1,777,029 is: 3,870,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,932 : 1,777,029 = 1,777,029 : x
  2. Step 2: Convert to fraction form
    815,932/1,777,029 = 1,777,029/x
  3. Step 3: Cross multiply
    815,932x = 1,777,029 × 1,777,029
  4. Step 4: Simplify right side
    815,932x = 3,157,832,066,841
  5. Step 5: Solve for x
    x = 3,157,832,066,841/815,932
  6. Step 6: Final answer
    x = 3,870,214.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.