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Finding the Third Proportional to 98,424 and 217,152

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Solution

The third proportional to 98,424 and 217,152 is: 479,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424 : 217,152 = 217,152 : x
  2. Step 2: Convert to fraction form
    98,424/217,152 = 217,152/x
  3. Step 3: Cross multiply
    98,424x = 217,152 × 217,152
  4. Step 4: Simplify right side
    98,424x = 47,154,991,104
  5. Step 5: Solve for x
    x = 47,154,991,104/98,424
  6. Step 6: Final answer
    x = 479,100.54

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.