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Finding the Third Proportional to 91,172.81 and 133,801.03

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Solution

The third proportional to 91,172.81 and 133,801.03 is: 196,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172.81 : 133,801.03 = 133,801.03 : x
  2. Step 2: Convert to fraction form
    91,172.81/133,801.03 = 133,801.03/x
  3. Step 3: Cross multiply
    91,172.81x = 133,801.03 × 133,801.03
  4. Step 4: Simplify right side
    91,172.81x = 17,902,715,963.56
  5. Step 5: Solve for x
    x = 17,902,715,963.56/91,172.81
  6. Step 6: Final answer
    x = 196,360.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.