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Finding the Third Proportional to 554,116 and 1,211,912

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Solution

The third proportional to 554,116 and 1,211,912 is: 2,650,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,116 : 1,211,912 = 1,211,912 : x
  2. Step 2: Convert to fraction form
    554,116/1,211,912 = 1,211,912/x
  3. Step 3: Cross multiply
    554,116x = 1,211,912 × 1,211,912
  4. Step 4: Simplify right side
    554,116x = 1,468,730,695,744
  5. Step 5: Solve for x
    x = 1,468,730,695,744/554,116
  6. Step 6: Final answer
    x = 2,650,583.44

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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.