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Finding the Third Proportional to 993,445 and 2,145,686

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Solution

The third proportional to 993,445 and 2,145,686 is: 4,634,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,445 : 2,145,686 = 2,145,686 : x
  2. Step 2: Convert to fraction form
    993,445/2,145,686 = 2,145,686/x
  3. Step 3: Cross multiply
    993,445x = 2,145,686 × 2,145,686
  4. Step 4: Simplify right side
    993,445x = 4,603,968,410,596
  5. Step 5: Solve for x
    x = 4,603,968,410,596/993,445
  6. Step 6: Final answer
    x = 4,634,346.55

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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.