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Finding the Third Proportional to 1,681,839 and 2,643,291

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Solution

The third proportional to 1,681,839 and 2,643,291 is: 4,154,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,839 : 2,643,291 = 2,643,291 : x
  2. Step 2: Convert to fraction form
    1,681,839/2,643,291 = 2,643,291/x
  3. Step 3: Cross multiply
    1,681,839x = 2,643,291 × 2,643,291
  4. Step 4: Simplify right side
    1,681,839x = 6,986,987,310,681
  5. Step 5: Solve for x
    x = 6,986,987,310,681/1,681,839
  6. Step 6: Final answer
    x = 4,154,373.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.