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Finding the Third Proportional to 178,968 and 385,962

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Solution

The third proportional to 178,968 and 385,962 is: 832,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,968 : 385,962 = 385,962 : x
  2. Step 2: Convert to fraction form
    178,968/385,962 = 385,962/x
  3. Step 3: Cross multiply
    178,968x = 385,962 × 385,962
  4. Step 4: Simplify right side
    178,968x = 148,966,665,444
  5. Step 5: Solve for x
    x = 148,966,665,444/178,968
  6. Step 6: Final answer
    x = 832,364.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.