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Finding the Third Proportional to 15,921.56 and 34,349.06

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Solution

The third proportional to 15,921.56 and 34,349.06 is: 74,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.56 : 34,349.06 = 34,349.06 : x
  2. Step 2: Convert to fraction form
    15,921.56/34,349.06 = 34,349.06/x
  3. Step 3: Cross multiply
    15,921.56x = 34,349.06 × 34,349.06
  4. Step 4: Simplify right side
    15,921.56x = 1,179,858,094.63
  5. Step 5: Solve for x
    x = 1,179,858,094.63/15,921.56
  6. Step 6: Final answer
    x = 74,104.42

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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.