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Finding the Third Proportional to 993,889 and 2,145,146

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Solution

The third proportional to 993,889 and 2,145,146 is: 4,629,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,889 : 2,145,146 = 2,145,146 : x
  2. Step 2: Convert to fraction form
    993,889/2,145,146 = 2,145,146/x
  3. Step 3: Cross multiply
    993,889x = 2,145,146 × 2,145,146
  4. Step 4: Simplify right side
    993,889x = 4,601,651,361,316
  5. Step 5: Solve for x
    x = 4,601,651,361,316/993,889
  6. Step 6: Final answer
    x = 4,629,944.95

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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.