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Finding the Third Proportional to 778,899 and 1,616,982

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Solution

The third proportional to 778,899 and 1,616,982 is: 3,356,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,899 : 1,616,982 = 1,616,982 : x
  2. Step 2: Convert to fraction form
    778,899/1,616,982 = 1,616,982/x
  3. Step 3: Cross multiply
    778,899x = 1,616,982 × 1,616,982
  4. Step 4: Simplify right side
    778,899x = 2,614,630,788,324
  5. Step 5: Solve for x
    x = 2,614,630,788,324/778,899
  6. Step 6: Final answer
    x = 3,356,829.05

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.