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Finding the Third Proportional to 554 and 785

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Solution

The third proportional to 554 and 785 is: 1,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554 : 785 = 785 : x
  2. Step 2: Convert to fraction form
    554/785 = 785/x
  3. Step 3: Cross multiply
    554x = 785 × 785
  4. Step 4: Simplify right side
    554x = 616,225
  5. Step 5: Solve for x
    x = 616,225/554
  6. Step 6: Final answer
    x = 1,112.32

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.