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Finding the Third Proportional to 1,246,939 and 2,680,355

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Solution

The third proportional to 1,246,939 and 2,680,355 is: 5,761,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,939 : 2,680,355 = 2,680,355 : x
  2. Step 2: Convert to fraction form
    1,246,939/2,680,355 = 2,680,355/x
  3. Step 3: Cross multiply
    1,246,939x = 2,680,355 × 2,680,355
  4. Step 4: Simplify right side
    1,246,939x = 7,184,302,926,025
  5. Step 5: Solve for x
    x = 7,184,302,926,025/1,246,939
  6. Step 6: Final answer
    x = 5,761,551.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.