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Finding the Third Proportional to 555,164 and 1,192,921

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Solution

The third proportional to 555,164 and 1,192,921 is: 2,563,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,164 : 1,192,921 = 1,192,921 : x
  2. Step 2: Convert to fraction form
    555,164/1,192,921 = 1,192,921/x
  3. Step 3: Cross multiply
    555,164x = 1,192,921 × 1,192,921
  4. Step 4: Simplify right side
    555,164x = 1,423,060,512,241
  5. Step 5: Solve for x
    x = 1,423,060,512,241/555,164
  6. Step 6: Final answer
    x = 2,563,315.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.