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Finding the Third Proportional to 9,156.50 and 19,609

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Solution

The third proportional to 9,156.50 and 19,609 is: 41,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.50 : 19,609 = 19,609 : x
  2. Step 2: Convert to fraction form
    9,156.50/19,609 = 19,609/x
  3. Step 3: Cross multiply
    9,156.50x = 19,609 × 19,609
  4. Step 4: Simplify right side
    9,156.50x = 384,512,881
  5. Step 5: Solve for x
    x = 384,512,881/9,156.50
  6. Step 6: Final answer
    x = 41,993.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.