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Finding the Third Proportional to 174,666.50 and 263,659.50

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Solution

The third proportional to 174,666.50 and 263,659.50 is: 397,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,666.50 : 263,659.50 = 263,659.50 : x
  2. Step 2: Convert to fraction form
    174,666.50/263,659.50 = 263,659.50/x
  3. Step 3: Cross multiply
    174,666.50x = 263,659.50 × 263,659.50
  4. Step 4: Simplify right side
    174,666.50x = 69,516,331,940.25
  5. Step 5: Solve for x
    x = 69,516,331,940.25/174,666.50
  6. Step 6: Final answer
    x = 397,994.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.