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Finding the Third Proportional to 554,059 and 1,213,211

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Solution

The third proportional to 554,059 and 1,213,211 is: 2,656,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,059 : 1,213,211 = 1,213,211 : x
  2. Step 2: Convert to fraction form
    554,059/1,213,211 = 1,213,211/x
  3. Step 3: Cross multiply
    554,059x = 1,213,211 × 1,213,211
  4. Step 4: Simplify right side
    554,059x = 1,471,880,930,521
  5. Step 5: Solve for x
    x = 1,471,880,930,521/554,059
  6. Step 6: Final answer
    x = 2,656,541.87

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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.