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Finding the Third Proportional to 9,411 and 20,031

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Solution

The third proportional to 9,411 and 20,031 is: 42,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411 : 20,031 = 20,031 : x
  2. Step 2: Convert to fraction form
    9,411/20,031 = 20,031/x
  3. Step 3: Cross multiply
    9,411x = 20,031 × 20,031
  4. Step 4: Simplify right side
    9,411x = 401,240,961
  5. Step 5: Solve for x
    x = 401,240,961/9,411
  6. Step 6: Final answer
    x = 42,635.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.