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Finding the Third Proportional to 108,868.50 and 147,750.75

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Solution

The third proportional to 108,868.50 and 147,750.75 is: 200,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.50 : 147,750.75 = 147,750.75 : x
  2. Step 2: Convert to fraction form
    108,868.50/147,750.75 = 147,750.75/x
  3. Step 3: Cross multiply
    108,868.50x = 147,750.75 × 147,750.75
  4. Step 4: Simplify right side
    108,868.50x = 21,830,284,125.56
  5. Step 5: Solve for x
    x = 21,830,284,125.56/108,868.50
  6. Step 6: Final answer
    x = 200,519.75

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.