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Finding the Third Proportional to 409.03 and 882.84

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Solution

The third proportional to 409.03 and 882.84 is: 1,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.03 : 882.84 = 882.84 : x
  2. Step 2: Convert to fraction form
    409.03/882.84 = 882.84/x
  3. Step 3: Cross multiply
    409.03x = 882.84 × 882.84
  4. Step 4: Simplify right side
    409.03x = 779,413.09
  5. Step 5: Solve for x
    x = 779,413.09/409.03
  6. Step 6: Final answer
    x = 1,905.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.