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Finding the Third Proportional to 627,864 and 939,288

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Solution

The third proportional to 627,864 and 939,288 is: 1,405,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,864 : 939,288 = 939,288 : x
  2. Step 2: Convert to fraction form
    627,864/939,288 = 939,288/x
  3. Step 3: Cross multiply
    627,864x = 939,288 × 939,288
  4. Step 4: Simplify right side
    627,864x = 882,261,946,944
  5. Step 5: Solve for x
    x = 882,261,946,944/627,864
  6. Step 6: Final answer
    x = 1,405,180.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.