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Finding the Third Proportional to 609,138 and 892,930.50

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Solution

The third proportional to 609,138 and 892,930.50 is: 1,308,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,138 : 892,930.50 = 892,930.50 : x
  2. Step 2: Convert to fraction form
    609,138/892,930.50 = 892,930.50/x
  3. Step 3: Cross multiply
    609,138x = 892,930.50 × 892,930.50
  4. Step 4: Simplify right side
    609,138x = 797,324,877,830.25
  5. Step 5: Solve for x
    x = 797,324,877,830.25/609,138
  6. Step 6: Final answer
    x = 1,308,939.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.