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Finding the Third Proportional to 860,684.50 and 1,891,224

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Solution

The third proportional to 860,684.50 and 1,891,224 is: 4,155,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,684.50 : 1,891,224 = 1,891,224 : x
  2. Step 2: Convert to fraction form
    860,684.50/1,891,224 = 1,891,224/x
  3. Step 3: Cross multiply
    860,684.50x = 1,891,224 × 1,891,224
  4. Step 4: Simplify right side
    860,684.50x = 3,576,728,218,176
  5. Step 5: Solve for x
    x = 3,576,728,218,176/860,684.50
  6. Step 6: Final answer
    x = 4,155,678.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.