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Finding the Third Proportional to 858,588 and 1,864,668

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Solution

The third proportional to 858,588 and 1,864,668 is: 4,049,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,588 : 1,864,668 = 1,864,668 : x
  2. Step 2: Convert to fraction form
    858,588/1,864,668 = 1,864,668/x
  3. Step 3: Cross multiply
    858,588x = 1,864,668 × 1,864,668
  4. Step 4: Simplify right side
    858,588x = 3,476,986,750,224
  5. Step 5: Solve for x
    x = 3,476,986,750,224/858,588
  6. Step 6: Final answer
    x = 4,049,656.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.