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Finding the Third Proportional to 155,961 and 223,032

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Solution

The third proportional to 155,961 and 223,032 is: 318,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,961 : 223,032 = 223,032 : x
  2. Step 2: Convert to fraction form
    155,961/223,032 = 223,032/x
  3. Step 3: Cross multiply
    155,961x = 223,032 × 223,032
  4. Step 4: Simplify right side
    155,961x = 49,743,273,024
  5. Step 5: Solve for x
    x = 49,743,273,024/155,961
  6. Step 6: Final answer
    x = 318,946.87

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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.