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Finding the Third Proportional to 86,586 and 130,133

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Solution

The third proportional to 86,586 and 130,133 is: 195,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,586 : 130,133 = 130,133 : x
  2. Step 2: Convert to fraction form
    86,586/130,133 = 130,133/x
  3. Step 3: Cross multiply
    86,586x = 130,133 × 130,133
  4. Step 4: Simplify right side
    86,586x = 16,934,597,689
  5. Step 5: Solve for x
    x = 16,934,597,689/86,586
  6. Step 6: Final answer
    x = 195,581.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.