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Finding the Third Proportional to 3,290.63 and 7,057.13

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Solution

The third proportional to 3,290.63 and 7,057.13 is: 15,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.63 : 7,057.13 = 7,057.13 : x
  2. Step 2: Convert to fraction form
    3,290.63/7,057.13 = 7,057.13/x
  3. Step 3: Cross multiply
    3,290.63x = 7,057.13 × 7,057.13
  4. Step 4: Simplify right side
    3,290.63x = 49,803,013.27
  5. Step 5: Solve for x
    x = 49,803,013.27/3,290.63
  6. Step 6: Final answer
    x = 15,134.82

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.