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Finding the Third Proportional to 130,920.75 and 200,184.75

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Solution

The third proportional to 130,920.75 and 200,184.75 is: 306,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,920.75 : 200,184.75 = 200,184.75 : x
  2. Step 2: Convert to fraction form
    130,920.75/200,184.75 = 200,184.75/x
  3. Step 3: Cross multiply
    130,920.75x = 200,184.75 × 200,184.75
  4. Step 4: Simplify right side
    130,920.75x = 40,073,934,132.56
  5. Step 5: Solve for x
    x = 40,073,934,132.56/130,920.75
  6. Step 6: Final answer
    x = 306,093.07

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.