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Finding the Third Proportional to 816,555 and 1,225,647

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Solution

The third proportional to 816,555 and 1,225,647 is: 1,839,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,555 : 1,225,647 = 1,225,647 : x
  2. Step 2: Convert to fraction form
    816,555/1,225,647 = 1,225,647/x
  3. Step 3: Cross multiply
    816,555x = 1,225,647 × 1,225,647
  4. Step 4: Simplify right side
    816,555x = 1,502,210,568,609
  5. Step 5: Solve for x
    x = 1,502,210,568,609/816,555
  6. Step 6: Final answer
    x = 1,839,693.06

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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.