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Finding the Third Proportional to 353.50 and 530.25

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Solution

The third proportional to 353.50 and 530.25 is: 795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.50 : 530.25 = 530.25 : x
  2. Step 2: Convert to fraction form
    353.50/530.25 = 530.25/x
  3. Step 3: Cross multiply
    353.50x = 530.25 × 530.25
  4. Step 4: Simplify right side
    353.50x = 281,165.06
  5. Step 5: Solve for x
    x = 281,165.06/353.50
  6. Step 6: Final answer
    x = 795.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.