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Finding the Third Proportional to 263,247 and 384,996

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Solution

The third proportional to 263,247 and 384,996 is: 563,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,247 : 384,996 = 384,996 : x
  2. Step 2: Convert to fraction form
    263,247/384,996 = 384,996/x
  3. Step 3: Cross multiply
    263,247x = 384,996 × 384,996
  4. Step 4: Simplify right side
    263,247x = 148,221,920,016
  5. Step 5: Solve for x
    x = 148,221,920,016/263,247
  6. Step 6: Final answer
    x = 563,052.65

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.