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Finding the Third Proportional to 5,347.90 and 8,522.09

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Solution

The third proportional to 5,347.90 and 8,522.09 is: 13,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.90 : 8,522.09 = 8,522.09 : x
  2. Step 2: Convert to fraction form
    5,347.90/8,522.09 = 8,522.09/x
  3. Step 3: Cross multiply
    5,347.90x = 8,522.09 × 8,522.09
  4. Step 4: Simplify right side
    5,347.90x = 72,625,948.73
  5. Step 5: Solve for x
    x = 72,625,948.73/5,347.90
  6. Step 6: Final answer
    x = 13,580.28

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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.