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Finding the Third Proportional to 4,112,559.50 and 8,911,515

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Solution

The third proportional to 4,112,559.50 and 8,911,515 is: 19,310,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112,559.50 : 8,911,515 = 8,911,515 : x
  2. Step 2: Convert to fraction form
    4,112,559.50/8,911,515 = 8,911,515/x
  3. Step 3: Cross multiply
    4,112,559.50x = 8,911,515 × 8,911,515
  4. Step 4: Simplify right side
    4,112,559.50x = 79,415,099,595,225
  5. Step 5: Solve for x
    x = 79,415,099,595,225/4,112,559.50
  6. Step 6: Final answer
    x = 19,310,383.13

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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.