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Finding the Third Proportional to 283,086 and 618,678

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Solution

The third proportional to 283,086 and 618,678 is: 1,352,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,086 : 618,678 = 618,678 : x
  2. Step 2: Convert to fraction form
    283,086/618,678 = 618,678/x
  3. Step 3: Cross multiply
    283,086x = 618,678 × 618,678
  4. Step 4: Simplify right side
    283,086x = 382,762,467,684
  5. Step 5: Solve for x
    x = 382,762,467,684/283,086
  6. Step 6: Final answer
    x = 1,352,106.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.