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Finding the Third Proportional to 370.13 and 579.94

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Solution

The third proportional to 370.13 and 579.94 is: 908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.13 : 579.94 = 579.94 : x
  2. Step 2: Convert to fraction form
    370.13/579.94 = 579.94/x
  3. Step 3: Cross multiply
    370.13x = 579.94 × 579.94
  4. Step 4: Simplify right side
    370.13x = 336,327.50
  5. Step 5: Solve for x
    x = 336,327.50/370.13
  6. Step 6: Final answer
    x = 908.69

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.