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Finding the Third Proportional to 47,515.50 and 75,235.50

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Solution

The third proportional to 47,515.50 and 75,235.50 is: 119,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.50 : 75,235.50 = 75,235.50 : x
  2. Step 2: Convert to fraction form
    47,515.50/75,235.50 = 75,235.50/x
  3. Step 3: Cross multiply
    47,515.50x = 75,235.50 × 75,235.50
  4. Step 4: Simplify right side
    47,515.50x = 5,660,380,460.25
  5. Step 5: Solve for x
    x = 5,660,380,460.25/47,515.50
  6. Step 6: Final answer
    x = 119,127.03

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.