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Finding the Third Proportional to 90,132.75 and 130,551.75

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Solution

The third proportional to 90,132.75 and 130,551.75 is: 189,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132.75 : 130,551.75 = 130,551.75 : x
  2. Step 2: Convert to fraction form
    90,132.75/130,551.75 = 130,551.75/x
  3. Step 3: Cross multiply
    90,132.75x = 130,551.75 × 130,551.75
  4. Step 4: Simplify right side
    90,132.75x = 17,043,759,428.06
  5. Step 5: Solve for x
    x = 17,043,759,428.06/90,132.75
  6. Step 6: Final answer
    x = 189,096.19

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.