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Finding the Third Proportional to 86,472 and 110,490.75

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Solution

The third proportional to 86,472 and 110,490.75 is: 141,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472 : 110,490.75 = 110,490.75 : x
  2. Step 2: Convert to fraction form
    86,472/110,490.75 = 110,490.75/x
  3. Step 3: Cross multiply
    86,472x = 110,490.75 × 110,490.75
  4. Step 4: Simplify right side
    86,472x = 12,208,205,835.56
  5. Step 5: Solve for x
    x = 12,208,205,835.56/86,472
  6. Step 6: Final answer
    x = 141,181.03

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.