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Finding the Third Proportional to 47,688.75 and 100,176.75

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Solution

The third proportional to 47,688.75 and 100,176.75 is: 210,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.75 : 100,176.75 = 100,176.75 : x
  2. Step 2: Convert to fraction form
    47,688.75/100,176.75 = 100,176.75/x
  3. Step 3: Cross multiply
    47,688.75x = 100,176.75 × 100,176.75
  4. Step 4: Simplify right side
    47,688.75x = 10,035,381,240.56
  5. Step 5: Solve for x
    x = 10,035,381,240.56/47,688.75
  6. Step 6: Final answer
    x = 210,434.98

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.