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Finding the Third Proportional to 349.13 and 492.94

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Solution

The third proportional to 349.13 and 492.94 is: 695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.13 : 492.94 = 492.94 : x
  2. Step 2: Convert to fraction form
    349.13/492.94 = 492.94/x
  3. Step 3: Cross multiply
    349.13x = 492.94 × 492.94
  4. Step 4: Simplify right side
    349.13x = 242,987.38
  5. Step 5: Solve for x
    x = 242,987.38/349.13
  6. Step 6: Final answer
    x = 695.99

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.