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Finding the Third Proportional to 133,447 and 293,135

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Solution

The third proportional to 133,447 and 293,135 is: 643,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,447 : 293,135 = 293,135 : x
  2. Step 2: Convert to fraction form
    133,447/293,135 = 293,135/x
  3. Step 3: Cross multiply
    133,447x = 293,135 × 293,135
  4. Step 4: Simplify right side
    133,447x = 85,928,128,225
  5. Step 5: Solve for x
    x = 85,928,128,225/133,447
  6. Step 6: Final answer
    x = 643,912.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.