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Finding the Third Proportional to 3,440.81 and 7,430.06

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Solution

The third proportional to 3,440.81 and 7,430.06 is: 16,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.81 : 7,430.06 = 7,430.06 : x
  2. Step 2: Convert to fraction form
    3,440.81/7,430.06 = 7,430.06/x
  3. Step 3: Cross multiply
    3,440.81x = 7,430.06 × 7,430.06
  4. Step 4: Simplify right side
    3,440.81x = 55,205,828.75
  5. Step 5: Solve for x
    x = 55,205,828.75/3,440.81
  6. Step 6: Final answer
    x = 16,044.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.