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Finding the Third Proportional to 733.50 and 1,320

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Solution

The third proportional to 733.50 and 1,320 is: 2,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.50 : 1,320 = 1,320 : x
  2. Step 2: Convert to fraction form
    733.50/1,320 = 1,320/x
  3. Step 3: Cross multiply
    733.50x = 1,320 × 1,320
  4. Step 4: Simplify right side
    733.50x = 1,742,400
  5. Step 5: Solve for x
    x = 1,742,400/733.50
  6. Step 6: Final answer
    x = 2,375.46

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.