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Finding the Third Proportional to 74,088 and 159,757.50

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Solution

The third proportional to 74,088 and 159,757.50 is: 344,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088 : 159,757.50 = 159,757.50 : x
  2. Step 2: Convert to fraction form
    74,088/159,757.50 = 159,757.50/x
  3. Step 3: Cross multiply
    74,088x = 159,757.50 × 159,757.50
  4. Step 4: Simplify right side
    74,088x = 25,522,458,806.25
  5. Step 5: Solve for x
    x = 25,522,458,806.25/74,088
  6. Step 6: Final answer
    x = 344,488.43

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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.