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Finding the Third Proportional to 939,249 and 2,011,311

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Solution

The third proportional to 939,249 and 2,011,311 is: 4,307,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,249 : 2,011,311 = 2,011,311 : x
  2. Step 2: Convert to fraction form
    939,249/2,011,311 = 2,011,311/x
  3. Step 3: Cross multiply
    939,249x = 2,011,311 × 2,011,311
  4. Step 4: Simplify right side
    939,249x = 4,045,371,938,721
  5. Step 5: Solve for x
    x = 4,045,371,938,721/939,249
  6. Step 6: Final answer
    x = 4,307,028.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.