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Finding the Third Proportional to 266,331 and 572,190

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Solution

The third proportional to 266,331 and 572,190 is: 1,229,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,331 : 572,190 = 572,190 : x
  2. Step 2: Convert to fraction form
    266,331/572,190 = 572,190/x
  3. Step 3: Cross multiply
    266,331x = 572,190 × 572,190
  4. Step 4: Simplify right side
    266,331x = 327,401,396,100
  5. Step 5: Solve for x
    x = 327,401,396,100/266,331
  6. Step 6: Final answer
    x = 1,229,302.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.