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Finding the Third Proportional to 939,219 and 1,999,893

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Solution

The third proportional to 939,219 and 1,999,893 is: 4,258,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,219 : 1,999,893 = 1,999,893 : x
  2. Step 2: Convert to fraction form
    939,219/1,999,893 = 1,999,893/x
  3. Step 3: Cross multiply
    939,219x = 1,999,893 × 1,999,893
  4. Step 4: Simplify right side
    939,219x = 3,999,572,011,449
  5. Step 5: Solve for x
    x = 3,999,572,011,449/939,219
  6. Step 6: Final answer
    x = 4,258,401.94

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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.