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Finding the Third Proportional to 9,630 and 20,580

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Solution

The third proportional to 9,630 and 20,580 is: 43,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630 : 20,580 = 20,580 : x
  2. Step 2: Convert to fraction form
    9,630/20,580 = 20,580/x
  3. Step 3: Cross multiply
    9,630x = 20,580 × 20,580
  4. Step 4: Simplify right side
    9,630x = 423,536,400
  5. Step 5: Solve for x
    x = 423,536,400/9,630
  6. Step 6: Final answer
    x = 43,980.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.