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Finding the Third Proportional to 47,391.75 and 102,127.50

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Solution

The third proportional to 47,391.75 and 102,127.50 is: 220,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.75 : 102,127.50 = 102,127.50 : x
  2. Step 2: Convert to fraction form
    47,391.75/102,127.50 = 102,127.50/x
  3. Step 3: Cross multiply
    47,391.75x = 102,127.50 × 102,127.50
  4. Step 4: Simplify right side
    47,391.75x = 10,430,026,256.25
  5. Step 5: Solve for x
    x = 10,430,026,256.25/47,391.75
  6. Step 6: Final answer
    x = 220,081.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.