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Finding the Third Proportional to 718,219 and 1,542,279

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Solution

The third proportional to 718,219 and 1,542,279 is: 3,311,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,219 : 1,542,279 = 1,542,279 : x
  2. Step 2: Convert to fraction form
    718,219/1,542,279 = 1,542,279/x
  3. Step 3: Cross multiply
    718,219x = 1,542,279 × 1,542,279
  4. Step 4: Simplify right side
    718,219x = 2,378,624,513,841
  5. Step 5: Solve for x
    x = 2,378,624,513,841/718,219
  6. Step 6: Final answer
    x = 3,311,837.36

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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.