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Finding the Third Proportional to 18,637,518 and 40,041,408

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Solution

The third proportional to 18,637,518 and 40,041,408 is: 86,026,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,518 : 40,041,408 = 40,041,408 : x
  2. Step 2: Convert to fraction form
    18,637,518/40,041,408 = 40,041,408/x
  3. Step 3: Cross multiply
    18,637,518x = 40,041,408 × 40,041,408
  4. Step 4: Simplify right side
    18,637,518x = 1,603,314,354,622,464
  5. Step 5: Solve for x
    x = 1,603,314,354,622,464/18,637,518
  6. Step 6: Final answer
    x = 86,026,173.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.