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Finding the Third Proportional to 223,049 and 317,946

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Solution

The third proportional to 223,049 and 317,946 is: 453,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,049 : 317,946 = 317,946 : x
  2. Step 2: Convert to fraction form
    223,049/317,946 = 317,946/x
  3. Step 3: Cross multiply
    223,049x = 317,946 × 317,946
  4. Step 4: Simplify right side
    223,049x = 101,089,658,916
  5. Step 5: Solve for x
    x = 101,089,658,916/223,049
  6. Step 6: Final answer
    x = 453,217.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.