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Finding the Third Proportional to 1,962,992 and 4,235,288

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Solution

The third proportional to 1,962,992 and 4,235,288 is: 9,137,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,992 : 4,235,288 = 4,235,288 : x
  2. Step 2: Convert to fraction form
    1,962,992/4,235,288 = 4,235,288/x
  3. Step 3: Cross multiply
    1,962,992x = 4,235,288 × 4,235,288
  4. Step 4: Simplify right side
    1,962,992x = 17,937,664,442,944
  5. Step 5: Solve for x
    x = 17,937,664,442,944/1,962,992
  6. Step 6: Final answer
    x = 9,137,920.30

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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.