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Finding the Third Proportional to 553,239 and 1,126,782

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Solution

The third proportional to 553,239 and 1,126,782 is: 2,294,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,239 : 1,126,782 = 1,126,782 : x
  2. Step 2: Convert to fraction form
    553,239/1,126,782 = 1,126,782/x
  3. Step 3: Cross multiply
    553,239x = 1,126,782 × 1,126,782
  4. Step 4: Simplify right side
    553,239x = 1,269,637,675,524
  5. Step 5: Solve for x
    x = 1,269,637,675,524/553,239
  6. Step 6: Final answer
    x = 2,294,917.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.