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Finding the Third Proportional to 108,357.75 and 143,817.75

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Solution

The third proportional to 108,357.75 and 143,817.75 is: 190,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,357.75 : 143,817.75 = 143,817.75 : x
  2. Step 2: Convert to fraction form
    108,357.75/143,817.75 = 143,817.75/x
  3. Step 3: Cross multiply
    108,357.75x = 143,817.75 × 143,817.75
  4. Step 4: Simplify right side
    108,357.75x = 20,683,545,215.06
  5. Step 5: Solve for x
    x = 20,683,545,215.06/108,357.75
  6. Step 6: Final answer
    x = 190,882.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.