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Finding the Third Proportional to 699,809 and 1,049,531

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Solution

The third proportional to 699,809 and 1,049,531 is: 1,574,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,809 : 1,049,531 = 1,049,531 : x
  2. Step 2: Convert to fraction form
    699,809/1,049,531 = 1,049,531/x
  3. Step 3: Cross multiply
    699,809x = 1,049,531 × 1,049,531
  4. Step 4: Simplify right side
    699,809x = 1,101,515,319,961
  5. Step 5: Solve for x
    x = 1,101,515,319,961/699,809
  6. Step 6: Final answer
    x = 1,574,022.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.