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Finding the Third Proportional to 86,568.75 and 130,422.38

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Solution

The third proportional to 86,568.75 and 130,422.38 is: 196,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.75 : 130,422.38 = 130,422.38 : x
  2. Step 2: Convert to fraction form
    86,568.75/130,422.38 = 130,422.38/x
  3. Step 3: Cross multiply
    86,568.75x = 130,422.38 × 130,422.38
  4. Step 4: Simplify right side
    86,568.75x = 17,009,995,900.64
  5. Step 5: Solve for x
    x = 17,009,995,900.64/86,568.75
  6. Step 6: Final answer
    x = 196,491.18

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