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Finding the Third Proportional to 637,668 and 1,360,656

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Solution

The third proportional to 637,668 and 1,360,656 is: 2,903,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,668 : 1,360,656 = 1,360,656 : x
  2. Step 2: Convert to fraction form
    637,668/1,360,656 = 1,360,656/x
  3. Step 3: Cross multiply
    637,668x = 1,360,656 × 1,360,656
  4. Step 4: Simplify right side
    637,668x = 1,851,384,750,336
  5. Step 5: Solve for x
    x = 1,851,384,750,336/637,668
  6. Step 6: Final answer
    x = 2,903,367.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.