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Finding the Third Proportional to 122,800.50 and 180,744.75

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Solution

The third proportional to 122,800.50 and 180,744.75 is: 266,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,800.50 : 180,744.75 = 180,744.75 : x
  2. Step 2: Convert to fraction form
    122,800.50/180,744.75 = 180,744.75/x
  3. Step 3: Cross multiply
    122,800.50x = 180,744.75 × 180,744.75
  4. Step 4: Simplify right side
    122,800.50x = 32,668,664,652.56
  5. Step 5: Solve for x
    x = 32,668,664,652.56/122,800.50
  6. Step 6: Final answer
    x = 266,030.39

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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.