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Finding the Third Proportional to 8,117,041.50 and 12,186,239

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Solution

The third proportional to 8,117,041.50 and 12,186,239 is: 18,295,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117,041.50 : 12,186,239 = 12,186,239 : x
  2. Step 2: Convert to fraction form
    8,117,041.50/12,186,239 = 12,186,239/x
  3. Step 3: Cross multiply
    8,117,041.50x = 12,186,239 × 12,186,239
  4. Step 4: Simplify right side
    8,117,041.50x = 148,504,420,965,121
  5. Step 5: Solve for x
    x = 148,504,420,965,121/8,117,041.50
  6. Step 6: Final answer
    x = 18,295,387.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.