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Finding the Third Proportional to 20,355 and 49,027.50

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Solution

The third proportional to 20,355 and 49,027.50 is: 118,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355 : 49,027.50 = 49,027.50 : x
  2. Step 2: Convert to fraction form
    20,355/49,027.50 = 49,027.50/x
  3. Step 3: Cross multiply
    20,355x = 49,027.50 × 49,027.50
  4. Step 4: Simplify right side
    20,355x = 2,403,695,756.25
  5. Step 5: Solve for x
    x = 2,403,695,756.25/20,355
  6. Step 6: Final answer
    x = 118,088.71

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.