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Finding the Third Proportional to 558,336 and 1,220,976

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Solution

The third proportional to 558,336 and 1,220,976 is: 2,670,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,336 : 1,220,976 = 1,220,976 : x
  2. Step 2: Convert to fraction form
    558,336/1,220,976 = 1,220,976/x
  3. Step 3: Cross multiply
    558,336x = 1,220,976 × 1,220,976
  4. Step 4: Simplify right side
    558,336x = 1,490,782,392,576
  5. Step 5: Solve for x
    x = 1,490,782,392,576/558,336
  6. Step 6: Final answer
    x = 2,670,045.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.