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Finding the Third Proportional to 62,956.13 and 138,315.38

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Solution

The third proportional to 62,956.13 and 138,315.38 is: 303,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,956.13 : 138,315.38 = 138,315.38 : x
  2. Step 2: Convert to fraction form
    62,956.13/138,315.38 = 138,315.38/x
  3. Step 3: Cross multiply
    62,956.13x = 138,315.38 × 138,315.38
  4. Step 4: Simplify right side
    62,956.13x = 19,131,142,961.39
  5. Step 5: Solve for x
    x = 19,131,142,961.39/62,956.13
  6. Step 6: Final answer
    x = 303,880.57

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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.