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Finding the Third Proportional to 266,098.50 and 389,241

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Solution

The third proportional to 266,098.50 and 389,241 is: 569,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,098.50 : 389,241 = 389,241 : x
  2. Step 2: Convert to fraction form
    266,098.50/389,241 = 389,241/x
  3. Step 3: Cross multiply
    266,098.50x = 389,241 × 389,241
  4. Step 4: Simplify right side
    266,098.50x = 151,508,556,081
  5. Step 5: Solve for x
    x = 151,508,556,081/266,098.50
  6. Step 6: Final answer
    x = 569,370.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.