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Finding the Third Proportional to 1,211,240 and 1,880,823

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Solution

The third proportional to 1,211,240 and 1,880,823 is: 2,920,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,240 : 1,880,823 = 1,880,823 : x
  2. Step 2: Convert to fraction form
    1,211,240/1,880,823 = 1,880,823/x
  3. Step 3: Cross multiply
    1,211,240x = 1,880,823 × 1,880,823
  4. Step 4: Simplify right side
    1,211,240x = 3,537,495,157,329
  5. Step 5: Solve for x
    x = 3,537,495,157,329/1,211,240
  6. Step 6: Final answer
    x = 2,920,556.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.