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Finding the Third Proportional to 1,705 and 2,694.75

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Solution

The third proportional to 1,705 and 2,694.75 is: 4,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705 : 2,694.75 = 2,694.75 : x
  2. Step 2: Convert to fraction form
    1,705/2,694.75 = 2,694.75/x
  3. Step 3: Cross multiply
    1,705x = 2,694.75 × 2,694.75
  4. Step 4: Simplify right side
    1,705x = 7,261,677.56
  5. Step 5: Solve for x
    x = 7,261,677.56/1,705
  6. Step 6: Final answer
    x = 4,259.05

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.