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Finding the Third Proportional to 7,072.31 and 15,557.06

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Solution

The third proportional to 7,072.31 and 15,557.06 is: 34,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.31 : 15,557.06 = 15,557.06 : x
  2. Step 2: Convert to fraction form
    7,072.31/15,557.06 = 15,557.06/x
  3. Step 3: Cross multiply
    7,072.31x = 15,557.06 × 15,557.06
  4. Step 4: Simplify right side
    7,072.31x = 242,022,193.63
  5. Step 5: Solve for x
    x = 242,022,193.63/7,072.31
  6. Step 6: Final answer
    x = 34,221.08

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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.