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Finding the Third Proportional to 472 and 798

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Solution

The third proportional to 472 and 798 is: 1,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    472 : 798 = 798 : x
  2. Step 2: Convert to fraction form
    472/798 = 798/x
  3. Step 3: Cross multiply
    472x = 798 × 798
  4. Step 4: Simplify right side
    472x = 636,804
  5. Step 5: Solve for x
    x = 636,804/472
  6. Step 6: Final answer
    x = 1,349.16

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These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.