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Finding the Third Proportional to 538.50 and 624

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Solution

The third proportional to 538.50 and 624 is: 723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.50 : 624 = 624 : x
  2. Step 2: Convert to fraction form
    538.50/624 = 624/x
  3. Step 3: Cross multiply
    538.50x = 624 × 624
  4. Step 4: Simplify right side
    538.50x = 389,376
  5. Step 5: Solve for x
    x = 389,376/538.50
  6. Step 6: Final answer
    x = 723.08

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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.