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Finding the Third Proportional to 554,668 and 1,217,536

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Solution

The third proportional to 554,668 and 1,217,536 is: 2,672,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,668 : 1,217,536 = 1,217,536 : x
  2. Step 2: Convert to fraction form
    554,668/1,217,536 = 1,217,536/x
  3. Step 3: Cross multiply
    554,668x = 1,217,536 × 1,217,536
  4. Step 4: Simplify right side
    554,668x = 1,482,393,911,296
  5. Step 5: Solve for x
    x = 1,482,393,911,296/554,668
  6. Step 6: Final answer
    x = 2,672,578.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.