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Finding the Third Proportional to 993,451 and 2,145,697

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Solution

The third proportional to 993,451 and 2,145,697 is: 4,634,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,451 : 2,145,697 = 2,145,697 : x
  2. Step 2: Convert to fraction form
    993,451/2,145,697 = 2,145,697/x
  3. Step 3: Cross multiply
    993,451x = 2,145,697 × 2,145,697
  4. Step 4: Simplify right side
    993,451x = 4,604,015,615,809
  5. Step 5: Solve for x
    x = 4,604,015,615,809/993,451
  6. Step 6: Final answer
    x = 4,634,366.08

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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.