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Finding the Third Proportional to 203,674.50 and 447,673.50

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Solution

The third proportional to 203,674.50 and 447,673.50 is: 983,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,674.50 : 447,673.50 = 447,673.50 : x
  2. Step 2: Convert to fraction form
    203,674.50/447,673.50 = 447,673.50/x
  3. Step 3: Cross multiply
    203,674.50x = 447,673.50 × 447,673.50
  4. Step 4: Simplify right side
    203,674.50x = 200,411,562,602.25
  5. Step 5: Solve for x
    x = 200,411,562,602.25/203,674.50
  6. Step 6: Final answer
    x = 983,979.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.