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Finding the Third Proportional to 3,332.81 and 7,214.06

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Solution

The third proportional to 3,332.81 and 7,214.06 is: 15,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.81 : 7,214.06 = 7,214.06 : x
  2. Step 2: Convert to fraction form
    3,332.81/7,214.06 = 7,214.06/x
  3. Step 3: Cross multiply
    3,332.81x = 7,214.06 × 7,214.06
  4. Step 4: Simplify right side
    3,332.81x = 52,042,697.75
  5. Step 5: Solve for x
    x = 52,042,697.75/3,332.81
  6. Step 6: Final answer
    x = 15,615.25

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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.