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Finding the Third Proportional to 9,446 and 20,688

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Solution

The third proportional to 9,446 and 20,688 is: 45,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,446 : 20,688 = 20,688 : x
  2. Step 2: Convert to fraction form
    9,446/20,688 = 20,688/x
  3. Step 3: Cross multiply
    9,446x = 20,688 × 20,688
  4. Step 4: Simplify right side
    9,446x = 427,993,344
  5. Step 5: Solve for x
    x = 427,993,344/9,446
  6. Step 6: Final answer
    x = 45,309.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.