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Finding the Third Proportional to 1,213,733.25 and 2,616,765.75

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Solution

The third proportional to 1,213,733.25 and 2,616,765.75 is: 5,641,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,733.25 : 2,616,765.75 = 2,616,765.75 : x
  2. Step 2: Convert to fraction form
    1,213,733.25/2,616,765.75 = 2,616,765.75/x
  3. Step 3: Cross multiply
    1,213,733.25x = 2,616,765.75 × 2,616,765.75
  4. Step 4: Simplify right side
    1,213,733.25x = 6,847,462,990,373.06
  5. Step 5: Solve for x
    x = 6,847,462,990,373.06/1,213,733.25
  6. Step 6: Final answer
    x = 5,641,653.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.