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Finding the Third Proportional to 47,102.50 and 70,755

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Solution

The third proportional to 47,102.50 and 70,755 is: 106,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.50 : 70,755 = 70,755 : x
  2. Step 2: Convert to fraction form
    47,102.50/70,755 = 70,755/x
  3. Step 3: Cross multiply
    47,102.50x = 70,755 × 70,755
  4. Step 4: Simplify right side
    47,102.50x = 5,006,270,025
  5. Step 5: Solve for x
    x = 5,006,270,025/47,102.50
  6. Step 6: Final answer
    x = 106,284.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.