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Finding the Third Proportional to 939,223 and 1,999,902

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Solution

The third proportional to 939,223 and 1,999,902 is: 4,258,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,223 : 1,999,902 = 1,999,902 : x
  2. Step 2: Convert to fraction form
    939,223/1,999,902 = 1,999,902/x
  3. Step 3: Cross multiply
    939,223x = 1,999,902 × 1,999,902
  4. Step 4: Simplify right side
    939,223x = 3,999,608,009,604
  5. Step 5: Solve for x
    x = 3,999,608,009,604/939,223
  6. Step 6: Final answer
    x = 4,258,422.13

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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.