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Finding the Third Proportional to 130,956 and 200,223

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Solution

The third proportional to 130,956 and 200,223 is: 306,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,956 : 200,223 = 200,223 : x
  2. Step 2: Convert to fraction form
    130,956/200,223 = 200,223/x
  3. Step 3: Cross multiply
    130,956x = 200,223 × 200,223
  4. Step 4: Simplify right side
    130,956x = 40,089,249,729
  5. Step 5: Solve for x
    x = 40,089,249,729/130,956
  6. Step 6: Final answer
    x = 306,127.63

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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.