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Finding the Third Proportional to 4,927.50 and 10,903

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Solution

The third proportional to 4,927.50 and 10,903 is: 24,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.50 : 10,903 = 10,903 : x
  2. Step 2: Convert to fraction form
    4,927.50/10,903 = 10,903/x
  3. Step 3: Cross multiply
    4,927.50x = 10,903 × 10,903
  4. Step 4: Simplify right side
    4,927.50x = 118,875,409
  5. Step 5: Solve for x
    x = 118,875,409/4,927.50
  6. Step 6: Final answer
    x = 24,124.89

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.