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Finding the Third Proportional to 905,172.75 and 1,366,989.75

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Solution

The third proportional to 905,172.75 and 1,366,989.75 is: 2,064,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,172.75 : 1,366,989.75 = 1,366,989.75 : x
  2. Step 2: Convert to fraction form
    905,172.75/1,366,989.75 = 1,366,989.75/x
  3. Step 3: Cross multiply
    905,172.75x = 1,366,989.75 × 1,366,989.75
  4. Step 4: Simplify right side
    905,172.75x = 1,868,660,976,605.06
  5. Step 5: Solve for x
    x = 1,868,660,976,605.06/905,172.75
  6. Step 6: Final answer
    x = 2,064,424.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.