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Finding the Third Proportional to 58,325 and 128,962

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Solution

The third proportional to 58,325 and 128,962 is: 285,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,325 : 128,962 = 128,962 : x
  2. Step 2: Convert to fraction form
    58,325/128,962 = 128,962/x
  3. Step 3: Cross multiply
    58,325x = 128,962 × 128,962
  4. Step 4: Simplify right side
    58,325x = 16,631,197,444
  5. Step 5: Solve for x
    x = 16,631,197,444/58,325
  6. Step 6: Final answer
    x = 285,146.98

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.