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Finding the Third Proportional to 762,831 and 1,120,918.50

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Solution

The third proportional to 762,831 and 1,120,918.50 is: 1,647,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,831 : 1,120,918.50 = 1,120,918.50 : x
  2. Step 2: Convert to fraction form
    762,831/1,120,918.50 = 1,120,918.50/x
  3. Step 3: Cross multiply
    762,831x = 1,120,918.50 × 1,120,918.50
  4. Step 4: Simplify right side
    762,831x = 1,256,458,283,642.25
  5. Step 5: Solve for x
    x = 1,256,458,283,642.25/762,831
  6. Step 6: Final answer
    x = 1,647,099.14

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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.