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Finding the Third Proportional to 81,675,576 and 126,528,858

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Solution

The third proportional to 81,675,576 and 126,528,858 is: 196,013,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675,576 : 126,528,858 = 126,528,858 : x
  2. Step 2: Convert to fraction form
    81,675,576/126,528,858 = 126,528,858/x
  3. Step 3: Cross multiply
    81,675,576x = 126,528,858 × 126,528,858
  4. Step 4: Simplify right side
    81,675,576x = 16,009,551,906,784,164
  5. Step 5: Solve for x
    x = 16,009,551,906,784,164/81,675,576
  6. Step 6: Final answer
    x = 196,013,945.55

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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.