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Finding the Third Proportional to 8,522 and 13,031

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Solution

The third proportional to 8,522 and 13,031 is: 19,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522 : 13,031 = 13,031 : x
  2. Step 2: Convert to fraction form
    8,522/13,031 = 13,031/x
  3. Step 3: Cross multiply
    8,522x = 13,031 × 13,031
  4. Step 4: Simplify right side
    8,522x = 169,806,961
  5. Step 5: Solve for x
    x = 169,806,961/8,522
  6. Step 6: Final answer
    x = 19,925.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.