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Finding the Third Proportional to 1,816,485.75 and 4,281,963.75

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Solution

The third proportional to 1,816,485.75 and 4,281,963.75 is: 10,093,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,485.75 : 4,281,963.75 = 4,281,963.75 : x
  2. Step 2: Convert to fraction form
    1,816,485.75/4,281,963.75 = 4,281,963.75/x
  3. Step 3: Cross multiply
    1,816,485.75x = 4,281,963.75 × 4,281,963.75
  4. Step 4: Simplify right side
    1,816,485.75x = 18,335,213,556,314.06
  5. Step 5: Solve for x
    x = 18,335,213,556,314.06/1,816,485.75
  6. Step 6: Final answer
    x = 10,093,783.32

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.