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Finding the Third Proportional to 366,917 and 788,087

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Solution

The third proportional to 366,917 and 788,087 is: 1,692,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917 : 788,087 = 788,087 : x
  2. Step 2: Convert to fraction form
    366,917/788,087 = 788,087/x
  3. Step 3: Cross multiply
    366,917x = 788,087 × 788,087
  4. Step 4: Simplify right side
    366,917x = 621,081,119,569
  5. Step 5: Solve for x
    x = 621,081,119,569/366,917
  6. Step 6: Final answer
    x = 1,692,701.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.