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Finding the Third Proportional to 4,906.13 and 7,688.25

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Solution

The third proportional to 4,906.13 and 7,688.25 is: 12,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.13 : 7,688.25 = 7,688.25 : x
  2. Step 2: Convert to fraction form
    4,906.13/7,688.25 = 7,688.25/x
  3. Step 3: Cross multiply
    4,906.13x = 7,688.25 × 7,688.25
  4. Step 4: Simplify right side
    4,906.13x = 59,109,188.06
  5. Step 5: Solve for x
    x = 59,109,188.06/4,906.13
  6. Step 6: Final answer
    x = 12,048.04

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.