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Finding the Third Proportional to 1,375,126.88 and 2,989,335.38

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Solution

The third proportional to 1,375,126.88 and 2,989,335.38 is: 6,498,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,126.88 : 2,989,335.38 = 2,989,335.38 : x
  2. Step 2: Convert to fraction form
    1,375,126.88/2,989,335.38 = 2,989,335.38/x
  3. Step 3: Cross multiply
    1,375,126.88x = 2,989,335.38 × 2,989,335.38
  4. Step 4: Simplify right side
    1,375,126.88x = 8,936,125,984,226.39
  5. Step 5: Solve for x
    x = 8,936,125,984,226.39/1,375,126.88
  6. Step 6: Final answer
    x = 6,498,401.09

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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.