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Finding the Third Proportional to 9,356 and 19,628

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Solution

The third proportional to 9,356 and 19,628 is: 41,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356 : 19,628 = 19,628 : x
  2. Step 2: Convert to fraction form
    9,356/19,628 = 19,628/x
  3. Step 3: Cross multiply
    9,356x = 19,628 × 19,628
  4. Step 4: Simplify right side
    9,356x = 385,258,384
  5. Step 5: Solve for x
    x = 385,258,384/9,356
  6. Step 6: Final answer
    x = 41,177.68

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.