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Finding the Third Proportional to 59,090.34 and 129,660.75

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Solution

The third proportional to 59,090.34 and 129,660.75 is: 284,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,090.34 : 129,660.75 = 129,660.75 : x
  2. Step 2: Convert to fraction form
    59,090.34/129,660.75 = 129,660.75/x
  3. Step 3: Cross multiply
    59,090.34x = 129,660.75 × 129,660.75
  4. Step 4: Simplify right side
    59,090.34x = 16,811,910,090.56
  5. Step 5: Solve for x
    x = 16,811,910,090.56/59,090.34
  6. Step 6: Final answer
    x = 284,511.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.