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Finding the Third Proportional to 9,693 and 20,922

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Solution

The third proportional to 9,693 and 20,922 is: 45,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693 : 20,922 = 20,922 : x
  2. Step 2: Convert to fraction form
    9,693/20,922 = 20,922/x
  3. Step 3: Cross multiply
    9,693x = 20,922 × 20,922
  4. Step 4: Simplify right side
    9,693x = 437,730,084
  5. Step 5: Solve for x
    x = 437,730,084/9,693
  6. Step 6: Final answer
    x = 45,159.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.