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Finding the Third Proportional to 1,609.31 and 2,507.91

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Solution

The third proportional to 1,609.31 and 2,507.91 is: 3,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.31 : 2,507.91 = 2,507.91 : x
  2. Step 2: Convert to fraction form
    1,609.31/2,507.91 = 2,507.91/x
  3. Step 3: Cross multiply
    1,609.31x = 2,507.91 × 2,507.91
  4. Step 4: Simplify right side
    1,609.31x = 6,289,593.76
  5. Step 5: Solve for x
    x = 6,289,593.76/1,609.31
  6. Step 6: Final answer
    x = 3,908.25

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.