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Finding the Third Proportional to 433.75 and 903.50

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Solution

The third proportional to 433.75 and 903.50 is: 1,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.75 : 903.50 = 903.50 : x
  2. Step 2: Convert to fraction form
    433.75/903.50 = 903.50/x
  3. Step 3: Cross multiply
    433.75x = 903.50 × 903.50
  4. Step 4: Simplify right side
    433.75x = 816,312.25
  5. Step 5: Solve for x
    x = 816,312.25/433.75
  6. Step 6: Final answer
    x = 1,881.99

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.