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Finding the Third Proportional to 28,315,108 and 43,724,408

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Solution

The third proportional to 28,315,108 and 43,724,408 is: 67,519,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,108 : 43,724,408 = 43,724,408 : x
  2. Step 2: Convert to fraction form
    28,315,108/43,724,408 = 43,724,408/x
  3. Step 3: Cross multiply
    28,315,108x = 43,724,408 × 43,724,408
  4. Step 4: Simplify right side
    28,315,108x = 1,911,823,854,950,464
  5. Step 5: Solve for x
    x = 1,911,823,854,950,464/28,315,108
  6. Step 6: Final answer
    x = 67,519,567.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.