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Finding the Third Proportional to 58,556 and 128,048

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Solution

The third proportional to 58,556 and 128,048 is: 280,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,556 : 128,048 = 128,048 : x
  2. Step 2: Convert to fraction form
    58,556/128,048 = 128,048/x
  3. Step 3: Cross multiply
    58,556x = 128,048 × 128,048
  4. Step 4: Simplify right side
    58,556x = 16,396,290,304
  5. Step 5: Solve for x
    x = 16,396,290,304/58,556
  6. Step 6: Final answer
    x = 280,010.42

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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.