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Finding the Third Proportional to 1,085,544.36 and 2,315,366.65

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Solution

The third proportional to 1,085,544.36 and 2,315,366.65 is: 4,938,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,544.36 : 2,315,366.65 = 2,315,366.65 : x
  2. Step 2: Convert to fraction form
    1,085,544.36/2,315,366.65 = 2,315,366.65/x
  3. Step 3: Cross multiply
    1,085,544.36x = 2,315,366.65 × 2,315,366.65
  4. Step 4: Simplify right side
    1,085,544.36x = 5,360,922,716,696.70
  5. Step 5: Solve for x
    x = 5,360,922,716,696.70/1,085,544.36
  6. Step 6: Final answer
    x = 4,938,464.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.