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Finding the Third Proportional to 180,861.19 and 266,064.75

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Solution

The third proportional to 180,861.19 and 266,064.75 is: 391,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,861.19 : 266,064.75 = 266,064.75 : x
  2. Step 2: Convert to fraction form
    180,861.19/266,064.75 = 266,064.75/x
  3. Step 3: Cross multiply
    180,861.19x = 266,064.75 × 266,064.75
  4. Step 4: Simplify right side
    180,861.19x = 70,790,451,192.56
  5. Step 5: Solve for x
    x = 70,790,451,192.56/180,861.19
  6. Step 6: Final answer
    x = 391,407.64

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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.