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Finding the Third Proportional to 553,190 and 1,126,684

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Solution

The third proportional to 553,190 and 1,126,684 is: 2,294,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,190 : 1,126,684 = 1,126,684 : x
  2. Step 2: Convert to fraction form
    553,190/1,126,684 = 1,126,684/x
  3. Step 3: Cross multiply
    553,190x = 1,126,684 × 1,126,684
  4. Step 4: Simplify right side
    553,190x = 1,269,416,835,856
  5. Step 5: Solve for x
    x = 1,269,416,835,856/553,190
  6. Step 6: Final answer
    x = 2,294,721.23

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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.