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Finding the Third Proportional to 119,986.50 and 180,738

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Solution

The third proportional to 119,986.50 and 180,738 is: 272,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,986.50 : 180,738 = 180,738 : x
  2. Step 2: Convert to fraction form
    119,986.50/180,738 = 180,738/x
  3. Step 3: Cross multiply
    119,986.50x = 180,738 × 180,738
  4. Step 4: Simplify right side
    119,986.50x = 32,666,224,644
  5. Step 5: Solve for x
    x = 32,666,224,644/119,986.50
  6. Step 6: Final answer
    x = 272,249.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.