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Finding the Third Proportional to 235,791 and 509,106

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Solution

The third proportional to 235,791 and 509,106 is: 1,099,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,791 : 509,106 = 509,106 : x
  2. Step 2: Convert to fraction form
    235,791/509,106 = 509,106/x
  3. Step 3: Cross multiply
    235,791x = 509,106 × 509,106
  4. Step 4: Simplify right side
    235,791x = 259,188,919,236
  5. Step 5: Solve for x
    x = 259,188,919,236/235,791
  6. Step 6: Final answer
    x = 1,099,231.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.