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Finding the Third Proportional to 356 and 746

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Solution

The third proportional to 356 and 746 is: 1,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356 : 746 = 746 : x
  2. Step 2: Convert to fraction form
    356/746 = 746/x
  3. Step 3: Cross multiply
    356x = 746 × 746
  4. Step 4: Simplify right side
    356x = 556,516
  5. Step 5: Solve for x
    x = 556,516/356
  6. Step 6: Final answer
    x = 1,563.25

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.