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Finding the Third Proportional to 22,005 and 31,023

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Solution

The third proportional to 22,005 and 31,023 is: 43,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005 : 31,023 = 31,023 : x
  2. Step 2: Convert to fraction form
    22,005/31,023 = 31,023/x
  3. Step 3: Cross multiply
    22,005x = 31,023 × 31,023
  4. Step 4: Simplify right side
    22,005x = 962,426,529
  5. Step 5: Solve for x
    x = 962,426,529/22,005
  6. Step 6: Final answer
    x = 43,736.72

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.