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Finding the Third Proportional to 722,634 and 1,556,260

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Solution

The third proportional to 722,634 and 1,556,260 is: 3,351,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,634 : 1,556,260 = 1,556,260 : x
  2. Step 2: Convert to fraction form
    722,634/1,556,260 = 1,556,260/x
  3. Step 3: Cross multiply
    722,634x = 1,556,260 × 1,556,260
  4. Step 4: Simplify right side
    722,634x = 2,421,945,187,600
  5. Step 5: Solve for x
    x = 2,421,945,187,600/722,634
  6. Step 6: Final answer
    x = 3,351,551.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.