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Finding the Third Proportional to 161.75 and 346

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Solution

The third proportional to 161.75 and 346 is: 740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.75 : 346 = 346 : x
  2. Step 2: Convert to fraction form
    161.75/346 = 346/x
  3. Step 3: Cross multiply
    161.75x = 346 × 346
  4. Step 4: Simplify right side
    161.75x = 119,716
  5. Step 5: Solve for x
    x = 119,716/161.75
  6. Step 6: Final answer
    x = 740.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.