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Finding the Third Proportional to 606.66 and 903.23

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Solution

The third proportional to 606.66 and 903.23 is: 1,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.66 : 903.23 = 903.23 : x
  2. Step 2: Convert to fraction form
    606.66/903.23 = 903.23/x
  3. Step 3: Cross multiply
    606.66x = 903.23 × 903.23
  4. Step 4: Simplify right side
    606.66x = 815,832.34
  5. Step 5: Solve for x
    x = 815,832.34/606.66
  6. Step 6: Final answer
    x = 1,344.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.