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Finding the Third Proportional to 533 and 875.50

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Solution

The third proportional to 533 and 875.50 is: 1,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    533 : 875.50 = 875.50 : x
  2. Step 2: Convert to fraction form
    533/875.50 = 875.50/x
  3. Step 3: Cross multiply
    533x = 875.50 × 875.50
  4. Step 4: Simplify right side
    533x = 766,500.25
  5. Step 5: Solve for x
    x = 766,500.25/533
  6. Step 6: Final answer
    x = 1,438.09

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.