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Finding the Third Proportional to 818,922 and 1,771,979

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Solution

The third proportional to 818,922 and 1,771,979 is: 3,834,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,922 : 1,771,979 = 1,771,979 : x
  2. Step 2: Convert to fraction form
    818,922/1,771,979 = 1,771,979/x
  3. Step 3: Cross multiply
    818,922x = 1,771,979 × 1,771,979
  4. Step 4: Simplify right side
    818,922x = 3,139,909,576,441
  5. Step 5: Solve for x
    x = 3,139,909,576,441/818,922
  6. Step 6: Final answer
    x = 3,834,198.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.