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Finding the Third Proportional to 74,958.75 and 163,562.63

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Solution

The third proportional to 74,958.75 and 163,562.63 is: 356,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.75 : 163,562.63 = 163,562.63 : x
  2. Step 2: Convert to fraction form
    74,958.75/163,562.63 = 163,562.63/x
  3. Step 3: Cross multiply
    74,958.75x = 163,562.63 × 163,562.63
  4. Step 4: Simplify right side
    74,958.75x = 26,752,732,296.89
  5. Step 5: Solve for x
    x = 26,752,732,296.89/74,958.75
  6. Step 6: Final answer
    x = 356,899.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.