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Finding the Third Proportional to 86,559.75 and 130,409.25

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Solution

The third proportional to 86,559.75 and 130,409.25 is: 196,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,559.75 : 130,409.25 = 130,409.25 : x
  2. Step 2: Convert to fraction form
    86,559.75/130,409.25 = 130,409.25/x
  3. Step 3: Cross multiply
    86,559.75x = 130,409.25 × 130,409.25
  4. Step 4: Simplify right side
    86,559.75x = 17,006,572,485.56
  5. Step 5: Solve for x
    x = 17,006,572,485.56/86,559.75
  6. Step 6: Final answer
    x = 196,472.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.