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Finding the Third Proportional to 74,412,388 and 115,686,378

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Solution

The third proportional to 74,412,388 and 115,686,378 is: 179,853,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412,388 : 115,686,378 = 115,686,378 : x
  2. Step 2: Convert to fraction form
    74,412,388/115,686,378 = 115,686,378/x
  3. Step 3: Cross multiply
    74,412,388x = 115,686,378 × 115,686,378
  4. Step 4: Simplify right side
    74,412,388x = 13,383,338,054,758,884
  5. Step 5: Solve for x
    x = 13,383,338,054,758,884/74,412,388
  6. Step 6: Final answer
    x = 179,853,629.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.