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Finding the Third Proportional to 281,853 and 436,235

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Solution

The third proportional to 281,853 and 436,235 is: 675,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,853 : 436,235 = 436,235 : x
  2. Step 2: Convert to fraction form
    281,853/436,235 = 436,235/x
  3. Step 3: Cross multiply
    281,853x = 436,235 × 436,235
  4. Step 4: Simplify right side
    281,853x = 190,300,975,225
  5. Step 5: Solve for x
    x = 190,300,975,225/281,853
  6. Step 6: Final answer
    x = 675,178.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.