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Finding the Third Proportional to 615,240 and 1,338,192

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Solution

The third proportional to 615,240 and 1,338,192 is: 2,910,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,240 : 1,338,192 = 1,338,192 : x
  2. Step 2: Convert to fraction form
    615,240/1,338,192 = 1,338,192/x
  3. Step 3: Cross multiply
    615,240x = 1,338,192 × 1,338,192
  4. Step 4: Simplify right side
    615,240x = 1,790,757,828,864
  5. Step 5: Solve for x
    x = 1,790,757,828,864/615,240
  6. Step 6: Final answer
    x = 2,910,665.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.