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Finding the Third Proportional to 790,911 and 1,866,267

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Solution

The third proportional to 790,911 and 1,866,267 is: 4,403,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,911 : 1,866,267 = 1,866,267 : x
  2. Step 2: Convert to fraction form
    790,911/1,866,267 = 1,866,267/x
  3. Step 3: Cross multiply
    790,911x = 1,866,267 × 1,866,267
  4. Step 4: Simplify right side
    790,911x = 3,482,952,515,289
  5. Step 5: Solve for x
    x = 3,482,952,515,289/790,911
  6. Step 6: Final answer
    x = 4,403,722.44

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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.