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Finding the Third Proportional to 985,251 and 2,117,844

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Solution

The third proportional to 985,251 and 2,117,844 is: 4,552,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,251 : 2,117,844 = 2,117,844 : x
  2. Step 2: Convert to fraction form
    985,251/2,117,844 = 2,117,844/x
  3. Step 3: Cross multiply
    985,251x = 2,117,844 × 2,117,844
  4. Step 4: Simplify right side
    985,251x = 4,485,263,208,336
  5. Step 5: Solve for x
    x = 4,485,263,208,336/985,251
  6. Step 6: Final answer
    x = 4,552,406.65

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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.