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Finding the Third Proportional to 1,865,481.75 and 3,955,158

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Solution

The third proportional to 1,865,481.75 and 3,955,158 is: 8,385,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,481.75 : 3,955,158 = 3,955,158 : x
  2. Step 2: Convert to fraction form
    1,865,481.75/3,955,158 = 3,955,158/x
  3. Step 3: Cross multiply
    1,865,481.75x = 3,955,158 × 3,955,158
  4. Step 4: Simplify right side
    1,865,481.75x = 15,643,274,804,964
  5. Step 5: Solve for x
    x = 15,643,274,804,964/1,865,481.75
  6. Step 6: Final answer
    x = 8,385,648.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.