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Finding the Third Proportional to 74,786.63 and 112,231.50

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Solution

The third proportional to 74,786.63 and 112,231.50 is: 168,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.63 : 112,231.50 = 112,231.50 : x
  2. Step 2: Convert to fraction form
    74,786.63/112,231.50 = 112,231.50/x
  3. Step 3: Cross multiply
    74,786.63x = 112,231.50 × 112,231.50
  4. Step 4: Simplify right side
    74,786.63x = 12,595,909,592.25
  5. Step 5: Solve for x
    x = 12,595,909,592.25/74,786.63
  6. Step 6: Final answer
    x = 168,424.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.