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Finding the Third Proportional to 281,096 and 617,488

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Solution

The third proportional to 281,096 and 617,488 is: 1,356,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,096 : 617,488 = 617,488 : x
  2. Step 2: Convert to fraction form
    281,096/617,488 = 617,488/x
  3. Step 3: Cross multiply
    281,096x = 617,488 × 617,488
  4. Step 4: Simplify right side
    281,096x = 381,291,430,144
  5. Step 5: Solve for x
    x = 381,291,430,144/281,096
  6. Step 6: Final answer
    x = 1,356,445.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.