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Finding the Third Proportional to 5,389.88 and 9,630.56

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Solution

The third proportional to 5,389.88 and 9,630.56 is: 17,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.88 : 9,630.56 = 9,630.56 : x
  2. Step 2: Convert to fraction form
    5,389.88/9,630.56 = 9,630.56/x
  3. Step 3: Cross multiply
    5,389.88x = 9,630.56 × 9,630.56
  4. Step 4: Simplify right side
    5,389.88x = 92,747,734.07
  5. Step 5: Solve for x
    x = 92,747,734.07/5,389.88
  6. Step 6: Final answer
    x = 17,207.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.