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Finding the Third Proportional to 544 and 623.50

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Solution

The third proportional to 544 and 623.50 is: 714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544 : 623.50 = 623.50 : x
  2. Step 2: Convert to fraction form
    544/623.50 = 623.50/x
  3. Step 3: Cross multiply
    544x = 623.50 × 623.50
  4. Step 4: Simplify right side
    544x = 388,752.25
  5. Step 5: Solve for x
    x = 388,752.25/544
  6. Step 6: Final answer
    x = 714.62

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.