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Finding the Third Proportional to 74,938.50 and 160,994.25

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Solution

The third proportional to 74,938.50 and 160,994.25 is: 345,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.50 : 160,994.25 = 160,994.25 : x
  2. Step 2: Convert to fraction form
    74,938.50/160,994.25 = 160,994.25/x
  3. Step 3: Cross multiply
    74,938.50x = 160,994.25 × 160,994.25
  4. Step 4: Simplify right side
    74,938.50x = 25,919,148,533.06
  5. Step 5: Solve for x
    x = 25,919,148,533.06/74,938.50
  6. Step 6: Final answer
    x = 345,872.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.