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Finding the Third Proportional to 10,422 and 22,332

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Solution

The third proportional to 10,422 and 22,332 is: 47,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422 : 22,332 = 22,332 : x
  2. Step 2: Convert to fraction form
    10,422/22,332 = 22,332/x
  3. Step 3: Cross multiply
    10,422x = 22,332 × 22,332
  4. Step 4: Simplify right side
    10,422x = 498,718,224
  5. Step 5: Solve for x
    x = 498,718,224/10,422
  6. Step 6: Final answer
    x = 47,852.45

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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.