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Finding the Third Proportional to 7,072.31 and 15,541.88

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Solution

The third proportional to 7,072.31 and 15,541.88 is: 34,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.31 : 15,541.88 = 15,541.88 : x
  2. Step 2: Convert to fraction form
    7,072.31/15,541.88 = 15,541.88/x
  3. Step 3: Cross multiply
    7,072.31x = 15,541.88 × 15,541.88
  4. Step 4: Simplify right side
    7,072.31x = 241,549,878.52
  5. Step 5: Solve for x
    x = 241,549,878.52/7,072.31
  6. Step 6: Final answer
    x = 34,154.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.