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Finding the Third Proportional to 555,396 and 1,211,304

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Solution

The third proportional to 555,396 and 1,211,304 is: 2,641,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,396 : 1,211,304 = 1,211,304 : x
  2. Step 2: Convert to fraction form
    555,396/1,211,304 = 1,211,304/x
  3. Step 3: Cross multiply
    555,396x = 1,211,304 × 1,211,304
  4. Step 4: Simplify right side
    555,396x = 1,467,257,380,416
  5. Step 5: Solve for x
    x = 1,467,257,380,416/555,396
  6. Step 6: Final answer
    x = 2,641,822.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.