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Finding the Third Proportional to 130,918 and 200,184

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Solution

The third proportional to 130,918 and 200,184 is: 306,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,918 : 200,184 = 200,184 : x
  2. Step 2: Convert to fraction form
    130,918/200,184 = 200,184/x
  3. Step 3: Cross multiply
    130,918x = 200,184 × 200,184
  4. Step 4: Simplify right side
    130,918x = 40,073,633,856
  5. Step 5: Solve for x
    x = 40,073,633,856/130,918
  6. Step 6: Final answer
    x = 306,097.20

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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.