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Finding the Third Proportional to 136,171.13 and 290,872.13

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Solution

The third proportional to 136,171.13 and 290,872.13 is: 621,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,171.13 : 290,872.13 = 290,872.13 : x
  2. Step 2: Convert to fraction form
    136,171.13/290,872.13 = 290,872.13/x
  3. Step 3: Cross multiply
    136,171.13x = 290,872.13 × 290,872.13
  4. Step 4: Simplify right side
    136,171.13x = 84,606,593,102.02
  5. Step 5: Solve for x
    x = 84,606,593,102.02/136,171.13
  6. Step 6: Final answer
    x = 621,325.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.