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Finding the Third Proportional to 8,660,732.63 and 13,408,821

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Solution

The third proportional to 8,660,732.63 and 13,408,821 is: 20,759,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,732.63 : 13,408,821 = 13,408,821 : x
  2. Step 2: Convert to fraction form
    8,660,732.63/13,408,821 = 13,408,821/x
  3. Step 3: Cross multiply
    8,660,732.63x = 13,408,821 × 13,408,821
  4. Step 4: Simplify right side
    8,660,732.63x = 179,796,480,610,041
  5. Step 5: Solve for x
    x = 179,796,480,610,041/8,660,732.63
  6. Step 6: Final answer
    x = 20,759,962.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.