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Finding the Third Proportional to 4,456.69 and 7,926.19

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Solution

The third proportional to 4,456.69 and 7,926.19 is: 14,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.69 : 7,926.19 = 7,926.19 : x
  2. Step 2: Convert to fraction form
    4,456.69/7,926.19 = 7,926.19/x
  3. Step 3: Cross multiply
    4,456.69x = 7,926.19 × 7,926.19
  4. Step 4: Simplify right side
    4,456.69x = 62,824,448.29
  5. Step 5: Solve for x
    x = 62,824,448.29/4,456.69
  6. Step 6: Final answer
    x = 14,096.67

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.