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Finding the Third Proportional to 723,208 and 1,555,252

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Solution

The third proportional to 723,208 and 1,555,252 is: 3,344,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,208 : 1,555,252 = 1,555,252 : x
  2. Step 2: Convert to fraction form
    723,208/1,555,252 = 1,555,252/x
  3. Step 3: Cross multiply
    723,208x = 1,555,252 × 1,555,252
  4. Step 4: Simplify right side
    723,208x = 2,418,808,783,504
  5. Step 5: Solve for x
    x = 2,418,808,783,504/723,208
  6. Step 6: Final answer
    x = 3,344,554.79

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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.