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Finding the Third Proportional to 585.56 and 1,257.19

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Solution

The third proportional to 585.56 and 1,257.19 is: 2,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.56 : 1,257.19 = 1,257.19 : x
  2. Step 2: Convert to fraction form
    585.56/1,257.19 = 1,257.19/x
  3. Step 3: Cross multiply
    585.56x = 1,257.19 × 1,257.19
  4. Step 4: Simplify right side
    585.56x = 1,580,520.41
  5. Step 5: Solve for x
    x = 1,580,520.41/585.56
  6. Step 6: Final answer
    x = 2,699.15

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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.