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Finding the Third Proportional to 174 and 470

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Solution

The third proportional to 174 and 470 is: 1,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174 : 470 = 470 : x
  2. Step 2: Convert to fraction form
    174/470 = 470/x
  3. Step 3: Cross multiply
    174x = 470 × 470
  4. Step 4: Simplify right side
    174x = 220,900
  5. Step 5: Solve for x
    x = 220,900/174
  6. Step 6: Final answer
    x = 1,269.54

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These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.