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Finding the Third Proportional to 1,206,378 and 1,866,249

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Solution

The third proportional to 1,206,378 and 1,866,249 is: 2,887,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,378 : 1,866,249 = 1,866,249 : x
  2. Step 2: Convert to fraction form
    1,206,378/1,866,249 = 1,866,249/x
  3. Step 3: Cross multiply
    1,206,378x = 1,866,249 × 1,866,249
  4. Step 4: Simplify right side
    1,206,378x = 3,482,885,330,001
  5. Step 5: Solve for x
    x = 3,482,885,330,001/1,206,378
  6. Step 6: Final answer
    x = 2,887,059.72

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.