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Finding the Third Proportional to 488 and 614

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Solution

The third proportional to 488 and 614 is: 772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    488 : 614 = 614 : x
  2. Step 2: Convert to fraction form
    488/614 = 614/x
  3. Step 3: Cross multiply
    488x = 614 × 614
  4. Step 4: Simplify right side
    488x = 376,996
  5. Step 5: Solve for x
    x = 376,996/488
  6. Step 6: Final answer
    x = 772.53

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These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.