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Finding the Third Proportional to 718,216 and 1,542,273

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Solution

The third proportional to 718,216 and 1,542,273 is: 3,311,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,216 : 1,542,273 = 1,542,273 : x
  2. Step 2: Convert to fraction form
    718,216/1,542,273 = 1,542,273/x
  3. Step 3: Cross multiply
    718,216x = 1,542,273 × 1,542,273
  4. Step 4: Simplify right side
    718,216x = 2,378,606,006,529
  5. Step 5: Solve for x
    x = 2,378,606,006,529/718,216
  6. Step 6: Final answer
    x = 3,311,825.42

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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.