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Finding the Third Proportional to 2,815.38 and 6,525.88

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Solution

The third proportional to 2,815.38 and 6,525.88 is: 15,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.38 : 6,525.88 = 6,525.88 : x
  2. Step 2: Convert to fraction form
    2,815.38/6,525.88 = 6,525.88/x
  3. Step 3: Cross multiply
    2,815.38x = 6,525.88 × 6,525.88
  4. Step 4: Simplify right side
    2,815.38x = 42,587,095.50
  5. Step 5: Solve for x
    x = 42,587,095.50/2,815.38
  6. Step 6: Final answer
    x = 15,126.57

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.