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Finding the Third Proportional to 553,893 and 1,204,986

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Solution

The third proportional to 553,893 and 1,204,986 is: 2,621,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,893 : 1,204,986 = 1,204,986 : x
  2. Step 2: Convert to fraction form
    553,893/1,204,986 = 1,204,986/x
  3. Step 3: Cross multiply
    553,893x = 1,204,986 × 1,204,986
  4. Step 4: Simplify right side
    553,893x = 1,451,991,260,196
  5. Step 5: Solve for x
    x = 1,451,991,260,196/553,893
  6. Step 6: Final answer
    x = 2,621,429.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.