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Finding the Third Proportional to 5,573.81 and 7,430.48

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Solution

The third proportional to 5,573.81 and 7,430.48 is: 9,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.81 : 7,430.48 = 7,430.48 : x
  2. Step 2: Convert to fraction form
    5,573.81/7,430.48 = 7,430.48/x
  3. Step 3: Cross multiply
    5,573.81x = 7,430.48 × 7,430.48
  4. Step 4: Simplify right side
    5,573.81x = 55,212,098.05
  5. Step 5: Solve for x
    x = 55,212,098.05/5,573.81
  6. Step 6: Final answer
    x = 9,905.63

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.