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Finding the Third Proportional to 10,392 and 22,031

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Solution

The third proportional to 10,392 and 22,031 is: 46,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392 : 22,031 = 22,031 : x
  2. Step 2: Convert to fraction form
    10,392/22,031 = 22,031/x
  3. Step 3: Cross multiply
    10,392x = 22,031 × 22,031
  4. Step 4: Simplify right side
    10,392x = 485,364,961
  5. Step 5: Solve for x
    x = 485,364,961/10,392
  6. Step 6: Final answer
    x = 46,705.64

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.