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Finding the Third Proportional to 159,720 and 266,208

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Solution

The third proportional to 159,720 and 266,208 is: 443,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720 : 266,208 = 266,208 : x
  2. Step 2: Convert to fraction form
    159,720/266,208 = 266,208/x
  3. Step 3: Cross multiply
    159,720x = 266,208 × 266,208
  4. Step 4: Simplify right side
    159,720x = 70,866,699,264
  5. Step 5: Solve for x
    x = 70,866,699,264/159,720
  6. Step 6: Final answer
    x = 443,693.33

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.