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Finding the Third Proportional to 488.25 and 719.44

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Solution

The third proportional to 488.25 and 719.44 is: 1,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.25 : 719.44 = 719.44 : x
  2. Step 2: Convert to fraction form
    488.25/719.44 = 719.44/x
  3. Step 3: Cross multiply
    488.25x = 719.44 × 719.44
  4. Step 4: Simplify right side
    488.25x = 517,590.32
  5. Step 5: Solve for x
    x = 517,590.32/488.25
  6. Step 6: Final answer
    x = 1,060.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.