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Finding the Third Proportional to 81,066,145 and 125,476,767

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Solution

The third proportional to 81,066,145 and 125,476,767 is: 194,216,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066,145 : 125,476,767 = 125,476,767 : x
  2. Step 2: Convert to fraction form
    81,066,145/125,476,767 = 125,476,767/x
  3. Step 3: Cross multiply
    81,066,145x = 125,476,767 × 125,476,767
  4. Step 4: Simplify right side
    81,066,145x = 15,744,419,056,772,288
  5. Step 5: Solve for x
    x = 15,744,419,056,772,288/81,066,145
  6. Step 6: Final answer
    x = 194,216,945.39

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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.