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Finding the Third Proportional to 134,682.75 and 211,318.88

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Solution

The third proportional to 134,682.75 and 211,318.88 is: 331,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.75 : 211,318.88 = 211,318.88 : x
  2. Step 2: Convert to fraction form
    134,682.75/211,318.88 = 211,318.88/x
  3. Step 3: Cross multiply
    134,682.75x = 211,318.88 × 211,318.88
  4. Step 4: Simplify right side
    134,682.75x = 44,655,666,931.27
  5. Step 5: Solve for x
    x = 44,655,666,931.27/134,682.75
  6. Step 6: Final answer
    x = 331,561.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.