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Finding the Third Proportional to 30,135 and 43,834.50

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Solution

The third proportional to 30,135 and 43,834.50 is: 63,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135 : 43,834.50 = 43,834.50 : x
  2. Step 2: Convert to fraction form
    30,135/43,834.50 = 43,834.50/x
  3. Step 3: Cross multiply
    30,135x = 43,834.50 × 43,834.50
  4. Step 4: Simplify right side
    30,135x = 1,921,463,390.25
  5. Step 5: Solve for x
    x = 1,921,463,390.25/30,135
  6. Step 6: Final answer
    x = 63,761.85

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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.