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Finding the Third Proportional to 58,982.06 and 128,331.56

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Solution

The third proportional to 58,982.06 and 128,331.56 is: 279,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,982.06 : 128,331.56 = 128,331.56 : x
  2. Step 2: Convert to fraction form
    58,982.06/128,331.56 = 128,331.56/x
  3. Step 3: Cross multiply
    58,982.06x = 128,331.56 × 128,331.56
  4. Step 4: Simplify right side
    58,982.06x = 16,468,989,933.69
  5. Step 5: Solve for x
    x = 16,468,989,933.69/58,982.06
  6. Step 6: Final answer
    x = 279,220.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.