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Finding the Third Proportional to 789,611.63 and 1,179,147.38

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Solution

The third proportional to 789,611.63 and 1,179,147.38 is: 1,760,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,611.63 : 1,179,147.38 = 1,179,147.38 : x
  2. Step 2: Convert to fraction form
    789,611.63/1,179,147.38 = 1,179,147.38/x
  3. Step 3: Cross multiply
    789,611.63x = 1,179,147.38 × 1,179,147.38
  4. Step 4: Simplify right side
    789,611.63x = 1,390,388,531,969.39
  5. Step 5: Solve for x
    x = 1,390,388,531,969.39/789,611.63
  6. Step 6: Final answer
    x = 1,760,851.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.