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Finding the Third Proportional to 200,781 and 295,609.50

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Solution

The third proportional to 200,781 and 295,609.50 is: 435,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,781 : 295,609.50 = 295,609.50 : x
  2. Step 2: Convert to fraction form
    200,781/295,609.50 = 295,609.50/x
  3. Step 3: Cross multiply
    200,781x = 295,609.50 × 295,609.50
  4. Step 4: Simplify right side
    200,781x = 87,384,976,490.25
  5. Step 5: Solve for x
    x = 87,384,976,490.25/200,781
  6. Step 6: Final answer
    x = 435,225.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.