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Finding the Third Proportional to 1,863,958.50 and 3,999,789

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Solution

The third proportional to 1,863,958.50 and 3,999,789 is: 8,582,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,958.50 : 3,999,789 = 3,999,789 : x
  2. Step 2: Convert to fraction form
    1,863,958.50/3,999,789 = 3,999,789/x
  3. Step 3: Cross multiply
    1,863,958.50x = 3,999,789 × 3,999,789
  4. Step 4: Simplify right side
    1,863,958.50x = 15,998,312,044,521
  5. Step 5: Solve for x
    x = 15,998,312,044,521/1,863,958.50
  6. Step 6: Final answer
    x = 8,582,976.52

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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.