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Finding the Third Proportional to 91,321,912 and 133,706,568

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Solution

The third proportional to 91,321,912 and 133,706,568 is: 195,762,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,321,912 : 133,706,568 = 133,706,568 : x
  2. Step 2: Convert to fraction form
    91,321,912/133,706,568 = 133,706,568/x
  3. Step 3: Cross multiply
    91,321,912x = 133,706,568 × 133,706,568
  4. Step 4: Simplify right side
    91,321,912x = 17,877,446,326,338,624
  5. Step 5: Solve for x
    x = 17,877,446,326,338,624/91,321,912
  6. Step 6: Final answer
    x = 195,762,943.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.