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Finding the Third Proportional to 885.94 and 1,911.09

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Solution

The third proportional to 885.94 and 1,911.09 is: 4,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.94 : 1,911.09 = 1,911.09 : x
  2. Step 2: Convert to fraction form
    885.94/1,911.09 = 1,911.09/x
  3. Step 3: Cross multiply
    885.94x = 1,911.09 × 1,911.09
  4. Step 4: Simplify right side
    885.94x = 3,652,279.32
  5. Step 5: Solve for x
    x = 3,652,279.32/885.94
  6. Step 6: Final answer
    x = 4,122.50

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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.