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Finding the Third Proportional to 9,386 and 20,708

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Solution

The third proportional to 9,386 and 20,708 is: 45,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386 : 20,708 = 20,708 : x
  2. Step 2: Convert to fraction form
    9,386/20,708 = 20,708/x
  3. Step 3: Cross multiply
    9,386x = 20,708 × 20,708
  4. Step 4: Simplify right side
    9,386x = 428,821,264
  5. Step 5: Solve for x
    x = 428,821,264/9,386
  6. Step 6: Final answer
    x = 45,687.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.