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Finding the Third Proportional to 58,544 and 86,800

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Solution

The third proportional to 58,544 and 86,800 is: 128,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,544 : 86,800 = 86,800 : x
  2. Step 2: Convert to fraction form
    58,544/86,800 = 86,800/x
  3. Step 3: Cross multiply
    58,544x = 86,800 × 86,800
  4. Step 4: Simplify right side
    58,544x = 7,534,240,000
  5. Step 5: Solve for x
    x = 7,534,240,000/58,544
  6. Step 6: Final answer
    x = 128,693.63

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.