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Finding the Third Proportional to 74,200.50 and 174,984.75

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Solution

The third proportional to 74,200.50 and 174,984.75 is: 412,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.50 : 174,984.75 = 174,984.75 : x
  2. Step 2: Convert to fraction form
    74,200.50/174,984.75 = 174,984.75/x
  3. Step 3: Cross multiply
    74,200.50x = 174,984.75 × 174,984.75
  4. Step 4: Simplify right side
    74,200.50x = 30,619,662,732.56
  5. Step 5: Solve for x
    x = 30,619,662,732.56/74,200.50
  6. Step 6: Final answer
    x = 412,661.14

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.