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Finding the Third Proportional to 61,192.50 and 129,735

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Solution

The third proportional to 61,192.50 and 129,735 is: 275,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.50 : 129,735 = 129,735 : x
  2. Step 2: Convert to fraction form
    61,192.50/129,735 = 129,735/x
  3. Step 3: Cross multiply
    61,192.50x = 129,735 × 129,735
  4. Step 4: Simplify right side
    61,192.50x = 16,831,170,225
  5. Step 5: Solve for x
    x = 16,831,170,225/61,192.50
  6. Step 6: Final answer
    x = 275,052.83

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.