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Finding the Third Proportional to 229,438.69 and 492,081.19

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Solution

The third proportional to 229,438.69 and 492,081.19 is: 1,055,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,438.69 : 492,081.19 = 492,081.19 : x
  2. Step 2: Convert to fraction form
    229,438.69/492,081.19 = 492,081.19/x
  3. Step 3: Cross multiply
    229,438.69x = 492,081.19 × 492,081.19
  4. Step 4: Simplify right side
    229,438.69x = 242,143,895,091.41
  5. Step 5: Solve for x
    x = 242,143,895,091.41/229,438.69
  6. Step 6: Final answer
    x = 1,055,375.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.