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Finding the Third Proportional to 368 and 785

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Solution

The third proportional to 368 and 785 is: 1,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368 : 785 = 785 : x
  2. Step 2: Convert to fraction form
    368/785 = 785/x
  3. Step 3: Cross multiply
    368x = 785 × 785
  4. Step 4: Simplify right side
    368x = 616,225
  5. Step 5: Solve for x
    x = 616,225/368
  6. Step 6: Final answer
    x = 1,674.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.