Home / 81,820,664.25-127,042,179.25

Finding the Third Proportional to 81,820,664.25 and 127,042,179.25

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Solution

The third proportional to 81,820,664.25 and 127,042,179.25 is: 197,257,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,820,664.25 : 127,042,179.25 = 127,042,179.25 : x
  2. Step 2: Convert to fraction form
    81,820,664.25/127,042,179.25 = 127,042,179.25/x
  3. Step 3: Cross multiply
    81,820,664.25x = 127,042,179.25 × 127,042,179.25
  4. Step 4: Simplify right side
    81,820,664.25x = 16,139,715,308,589,130
  5. Step 5: Solve for x
    x = 16,139,715,308,589,130/81,820,664.25
  6. Step 6: Final answer
    x = 197,257,202.16

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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.