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Finding the Third Proportional to 72,316 and 168,950

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Solution

The third proportional to 72,316 and 168,950 is: 394,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316 : 168,950 = 168,950 : x
  2. Step 2: Convert to fraction form
    72,316/168,950 = 168,950/x
  3. Step 3: Cross multiply
    72,316x = 168,950 × 168,950
  4. Step 4: Simplify right side
    72,316x = 28,544,102,500
  5. Step 5: Solve for x
    x = 28,544,102,500/72,316
  6. Step 6: Final answer
    x = 394,713.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.