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Finding the Third Proportional to 853,990 and 1,848,235

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Solution

The third proportional to 853,990 and 1,848,235 is: 4,000,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,990 : 1,848,235 = 1,848,235 : x
  2. Step 2: Convert to fraction form
    853,990/1,848,235 = 1,848,235/x
  3. Step 3: Cross multiply
    853,990x = 1,848,235 × 1,848,235
  4. Step 4: Simplify right side
    853,990x = 3,415,972,615,225
  5. Step 5: Solve for x
    x = 3,415,972,615,225/853,990
  6. Step 6: Final answer
    x = 4,000,014.77

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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.