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Finding the Third Proportional to 1,515,231 and 3,329,351

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Solution

The third proportional to 1,515,231 and 3,329,351 is: 7,315,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,231 : 3,329,351 = 3,329,351 : x
  2. Step 2: Convert to fraction form
    1,515,231/3,329,351 = 3,329,351/x
  3. Step 3: Cross multiply
    1,515,231x = 3,329,351 × 3,329,351
  4. Step 4: Simplify right side
    1,515,231x = 11,084,578,081,201
  5. Step 5: Solve for x
    x = 11,084,578,081,201/1,515,231
  6. Step 6: Final answer
    x = 7,315,437.77

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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.