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Finding the Third Proportional to 1,187,658 and 2,589,671.25

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Solution

The third proportional to 1,187,658 and 2,589,671.25 is: 5,646,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,658 : 2,589,671.25 = 2,589,671.25 : x
  2. Step 2: Convert to fraction form
    1,187,658/2,589,671.25 = 2,589,671.25/x
  3. Step 3: Cross multiply
    1,187,658x = 2,589,671.25 × 2,589,671.25
  4. Step 4: Simplify right side
    1,187,658x = 6,706,397,183,076.56
  5. Step 5: Solve for x
    x = 6,706,397,183,076.56/1,187,658
  6. Step 6: Final answer
    x = 5,646,741.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.