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Finding the Third Proportional to 121,404.75 and 247,624.50

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Solution

The third proportional to 121,404.75 and 247,624.50 is: 505,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,404.75 : 247,624.50 = 247,624.50 : x
  2. Step 2: Convert to fraction form
    121,404.75/247,624.50 = 247,624.50/x
  3. Step 3: Cross multiply
    121,404.75x = 247,624.50 × 247,624.50
  4. Step 4: Simplify right side
    121,404.75x = 61,317,893,000.25
  5. Step 5: Solve for x
    x = 61,317,893,000.25/121,404.75
  6. Step 6: Final answer
    x = 505,069.97

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.