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Finding the Third Proportional to 131,190 and 281,492

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Solution

The third proportional to 131,190 and 281,492 is: 603,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,190 : 281,492 = 281,492 : x
  2. Step 2: Convert to fraction form
    131,190/281,492 = 281,492/x
  3. Step 3: Cross multiply
    131,190x = 281,492 × 281,492
  4. Step 4: Simplify right side
    131,190x = 79,237,746,064
  5. Step 5: Solve for x
    x = 79,237,746,064/131,190
  6. Step 6: Final answer
    x = 603,992.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.