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Finding the Third Proportional to 347.44 and 785.34

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Solution

The third proportional to 347.44 and 785.34 is: 1,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.44 : 785.34 = 785.34 : x
  2. Step 2: Convert to fraction form
    347.44/785.34 = 785.34/x
  3. Step 3: Cross multiply
    347.44x = 785.34 × 785.34
  4. Step 4: Simplify right side
    347.44x = 616,764.81
  5. Step 5: Solve for x
    x = 616,764.81/347.44
  6. Step 6: Final answer
    x = 1,775.18

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.