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Finding the Third Proportional to 603.28 and 1,298.53

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Solution

The third proportional to 603.28 and 1,298.53 is: 2,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.28 : 1,298.53 = 1,298.53 : x
  2. Step 2: Convert to fraction form
    603.28/1,298.53 = 1,298.53/x
  3. Step 3: Cross multiply
    603.28x = 1,298.53 × 1,298.53
  4. Step 4: Simplify right side
    603.28x = 1,686,183.41
  5. Step 5: Solve for x
    x = 1,686,183.41/603.28
  6. Step 6: Final answer
    x = 2,795.02

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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.