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Finding the Third Proportional to 88,812 and 190,220

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Solution

The third proportional to 88,812 and 190,220 is: 407,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,812 : 190,220 = 190,220 : x
  2. Step 2: Convert to fraction form
    88,812/190,220 = 190,220/x
  3. Step 3: Cross multiply
    88,812x = 190,220 × 190,220
  4. Step 4: Simplify right side
    88,812x = 36,183,648,400
  5. Step 5: Solve for x
    x = 36,183,648,400/88,812
  6. Step 6: Final answer
    x = 407,418.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.