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Finding the Third Proportional to 146,228 and 318,898

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Solution

The third proportional to 146,228 and 318,898 is: 695,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,228 : 318,898 = 318,898 : x
  2. Step 2: Convert to fraction form
    146,228/318,898 = 318,898/x
  3. Step 3: Cross multiply
    146,228x = 318,898 × 318,898
  4. Step 4: Simplify right side
    146,228x = 101,695,934,404
  5. Step 5: Solve for x
    x = 101,695,934,404/146,228
  6. Step 6: Final answer
    x = 695,461.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.