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Finding the Third Proportional to 417 and 900

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Solution

The third proportional to 417 and 900 is: 1,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417 : 900 = 900 : x
  2. Step 2: Convert to fraction form
    417/900 = 900/x
  3. Step 3: Cross multiply
    417x = 900 × 900
  4. Step 4: Simplify right side
    417x = 810,000
  5. Step 5: Solve for x
    x = 810,000/417
  6. Step 6: Final answer
    x = 1,942.45

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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.