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Finding the Third Proportional to 572.44 and 829.03

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Solution

The third proportional to 572.44 and 829.03 is: 1,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.44 : 829.03 = 829.03 : x
  2. Step 2: Convert to fraction form
    572.44/829.03 = 829.03/x
  3. Step 3: Cross multiply
    572.44x = 829.03 × 829.03
  4. Step 4: Simplify right side
    572.44x = 687,292.81
  5. Step 5: Solve for x
    x = 687,292.81/572.44
  6. Step 6: Final answer
    x = 1,200.64

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.