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Finding the Third Proportional to 1,551,172 and 3,351,378

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Solution

The third proportional to 1,551,172 and 3,351,378 is: 7,240,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,172 : 3,351,378 = 3,351,378 : x
  2. Step 2: Convert to fraction form
    1,551,172/3,351,378 = 3,351,378/x
  3. Step 3: Cross multiply
    1,551,172x = 3,351,378 × 3,351,378
  4. Step 4: Simplify right side
    1,551,172x = 11,231,734,498,884
  5. Step 5: Solve for x
    x = 11,231,734,498,884/1,551,172
  6. Step 6: Final answer
    x = 7,240,805.34

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.