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Finding the Third Proportional to 298,080 and 450,968

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Solution

The third proportional to 298,080 and 450,968 is: 682,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,080 : 450,968 = 450,968 : x
  2. Step 2: Convert to fraction form
    298,080/450,968 = 450,968/x
  3. Step 3: Cross multiply
    298,080x = 450,968 × 450,968
  4. Step 4: Simplify right side
    298,080x = 203,372,137,024
  5. Step 5: Solve for x
    x = 203,372,137,024/298,080
  6. Step 6: Final answer
    x = 682,273.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.