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Finding the Third Proportional to 4,549.50 and 9,995.06

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Solution

The third proportional to 4,549.50 and 9,995.06 is: 21,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.50 : 9,995.06 = 9,995.06 : x
  2. Step 2: Convert to fraction form
    4,549.50/9,995.06 = 9,995.06/x
  3. Step 3: Cross multiply
    4,549.50x = 9,995.06 × 9,995.06
  4. Step 4: Simplify right side
    4,549.50x = 99,901,274.38
  5. Step 5: Solve for x
    x = 99,901,274.38/4,549.50
  6. Step 6: Final answer
    x = 21,958.74

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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.