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Finding the Third Proportional to 86,770,896 and 115,157,871

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Solution

The third proportional to 86,770,896 and 115,157,871 is: 152,831,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770,896 : 115,157,871 = 115,157,871 : x
  2. Step 2: Convert to fraction form
    86,770,896/115,157,871 = 115,157,871/x
  3. Step 3: Cross multiply
    86,770,896x = 115,157,871 × 115,157,871
  4. Step 4: Simplify right side
    86,770,896x = 13,261,335,253,252,640
  5. Step 5: Solve for x
    x = 13,261,335,253,252,640/86,770,896
  6. Step 6: Final answer
    x = 152,831,604.43

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.