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Finding the Third Proportional to 5,477.63 and 8,220.23

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Solution

The third proportional to 5,477.63 and 8,220.23 is: 12,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.63 : 8,220.23 = 8,220.23 : x
  2. Step 2: Convert to fraction form
    5,477.63/8,220.23 = 8,220.23/x
  3. Step 3: Cross multiply
    5,477.63x = 8,220.23 × 8,220.23
  4. Step 4: Simplify right side
    5,477.63x = 67,572,253.18
  5. Step 5: Solve for x
    x = 67,572,253.18/5,477.63
  6. Step 6: Final answer
    x = 12,336.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.