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Finding the Third Proportional to 71,244 and 110,988

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Solution

The third proportional to 71,244 and 110,988 is: 172,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244 : 110,988 = 110,988 : x
  2. Step 2: Convert to fraction form
    71,244/110,988 = 110,988/x
  3. Step 3: Cross multiply
    71,244x = 110,988 × 110,988
  4. Step 4: Simplify right side
    71,244x = 12,318,336,144
  5. Step 5: Solve for x
    x = 12,318,336,144/71,244
  6. Step 6: Final answer
    x = 172,903.49

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.