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Finding the Third Proportional to 137,760.75 and 210,593.25

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Solution

The third proportional to 137,760.75 and 210,593.25 is: 321,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760.75 : 210,593.25 = 210,593.25 : x
  2. Step 2: Convert to fraction form
    137,760.75/210,593.25 = 210,593.25/x
  3. Step 3: Cross multiply
    137,760.75x = 210,593.25 × 210,593.25
  4. Step 4: Simplify right side
    137,760.75x = 44,349,516,945.56
  5. Step 5: Solve for x
    x = 44,349,516,945.56/137,760.75
  6. Step 6: Final answer
    x = 321,931.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.