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Finding the Third Proportional to 223,816.50 and 316,467

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Solution

The third proportional to 223,816.50 and 316,467 is: 447,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,816.50 : 316,467 = 316,467 : x
  2. Step 2: Convert to fraction form
    223,816.50/316,467 = 316,467/x
  3. Step 3: Cross multiply
    223,816.50x = 316,467 × 316,467
  4. Step 4: Simplify right side
    223,816.50x = 100,151,362,089
  5. Step 5: Solve for x
    x = 100,151,362,089/223,816.50
  6. Step 6: Final answer
    x = 447,470.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.