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Finding the Third Proportional to 1,748,286 and 2,638,511

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Solution

The third proportional to 1,748,286 and 2,638,511 is: 3,982,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,286 : 2,638,511 = 2,638,511 : x
  2. Step 2: Convert to fraction form
    1,748,286/2,638,511 = 2,638,511/x
  3. Step 3: Cross multiply
    1,748,286x = 2,638,511 × 2,638,511
  4. Step 4: Simplify right side
    1,748,286x = 6,961,740,297,121
  5. Step 5: Solve for x
    x = 6,961,740,297,121/1,748,286
  6. Step 6: Final answer
    x = 3,982,037.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.