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Finding the Third Proportional to 259.94 and 601.06

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Solution

The third proportional to 259.94 and 601.06 is: 1,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.94 : 601.06 = 601.06 : x
  2. Step 2: Convert to fraction form
    259.94/601.06 = 601.06/x
  3. Step 3: Cross multiply
    259.94x = 601.06 × 601.06
  4. Step 4: Simplify right side
    259.94x = 361,276.13
  5. Step 5: Solve for x
    x = 361,276.13/259.94
  6. Step 6: Final answer
    x = 1,389.86

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.