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Finding the Third Proportional to 346.75 and 745.13

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Solution

The third proportional to 346.75 and 745.13 is: 1,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.75 : 745.13 = 745.13 : x
  2. Step 2: Convert to fraction form
    346.75/745.13 = 745.13/x
  3. Step 3: Cross multiply
    346.75x = 745.13 × 745.13
  4. Step 4: Simplify right side
    346.75x = 555,211.27
  5. Step 5: Solve for x
    x = 555,211.27/346.75
  6. Step 6: Final answer
    x = 1,601.19

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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.