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Finding the Third Proportional to 4,225.92 and 8,888.48

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Solution

The third proportional to 4,225.92 and 8,888.48 is: 18,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.92 : 8,888.48 = 8,888.48 : x
  2. Step 2: Convert to fraction form
    4,225.92/8,888.48 = 8,888.48/x
  3. Step 3: Cross multiply
    4,225.92x = 8,888.48 × 8,888.48
  4. Step 4: Simplify right side
    4,225.92x = 79,005,154.48
  5. Step 5: Solve for x
    x = 79,005,154.48/4,225.92
  6. Step 6: Final answer
    x = 18,695.37

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.