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Finding the Third Proportional to 553,287 and 1,126,860

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Solution

The third proportional to 553,287 and 1,126,860 is: 2,295,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,287 : 1,126,860 = 1,126,860 : x
  2. Step 2: Convert to fraction form
    553,287/1,126,860 = 1,126,860/x
  3. Step 3: Cross multiply
    553,287x = 1,126,860 × 1,126,860
  4. Step 4: Simplify right side
    553,287x = 1,269,813,459,600
  5. Step 5: Solve for x
    x = 1,269,813,459,600/553,287
  6. Step 6: Final answer
    x = 2,295,035.78

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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.