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Finding the Third Proportional to 200,857.50 and 266,566.50

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Solution

The third proportional to 200,857.50 and 266,566.50 is: 353,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,857.50 : 266,566.50 = 266,566.50 : x
  2. Step 2: Convert to fraction form
    200,857.50/266,566.50 = 266,566.50/x
  3. Step 3: Cross multiply
    200,857.50x = 266,566.50 × 266,566.50
  4. Step 4: Simplify right side
    200,857.50x = 71,057,698,922.25
  5. Step 5: Solve for x
    x = 71,057,698,922.25/200,857.50
  6. Step 6: Final answer
    x = 353,771.70

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.