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Finding the Third Proportional to 939,244 and 1,999,940

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Solution

The third proportional to 939,244 and 1,999,940 is: 4,258,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,244 : 1,999,940 = 1,999,940 : x
  2. Step 2: Convert to fraction form
    939,244/1,999,940 = 1,999,940/x
  3. Step 3: Cross multiply
    939,244x = 1,999,940 × 1,999,940
  4. Step 4: Simplify right side
    939,244x = 3,999,760,003,600
  5. Step 5: Solve for x
    x = 3,999,760,003,600/939,244
  6. Step 6: Final answer
    x = 4,258,488.75

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.