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Finding the Third Proportional to 8,438.63 and 13,068

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Solution

The third proportional to 8,438.63 and 13,068 is: 20,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.63 : 13,068 = 13,068 : x
  2. Step 2: Convert to fraction form
    8,438.63/13,068 = 13,068/x
  3. Step 3: Cross multiply
    8,438.63x = 13,068 × 13,068
  4. Step 4: Simplify right side
    8,438.63x = 170,772,624
  5. Step 5: Solve for x
    x = 170,772,624/8,438.63
  6. Step 6: Final answer
    x = 20,237.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.