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Finding the Third Proportional to 8,522 and 13,554

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Solution

The third proportional to 8,522 and 13,554 is: 21,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522 : 13,554 = 13,554 : x
  2. Step 2: Convert to fraction form
    8,522/13,554 = 13,554/x
  3. Step 3: Cross multiply
    8,522x = 13,554 × 13,554
  4. Step 4: Simplify right side
    8,522x = 183,710,916
  5. Step 5: Solve for x
    x = 183,710,916/8,522
  6. Step 6: Final answer
    x = 21,557.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.