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Finding the Third Proportional to 58,844 and 128,056

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Solution

The third proportional to 58,844 and 128,056 is: 278,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,844 : 128,056 = 128,056 : x
  2. Step 2: Convert to fraction form
    58,844/128,056 = 128,056/x
  3. Step 3: Cross multiply
    58,844x = 128,056 × 128,056
  4. Step 4: Simplify right side
    58,844x = 16,398,339,136
  5. Step 5: Solve for x
    x = 16,398,339,136/58,844
  6. Step 6: Final answer
    x = 278,674.79

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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.