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Finding the Third Proportional to 8,130 and 13,347

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Solution

The third proportional to 8,130 and 13,347 is: 21,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130 : 13,347 = 13,347 : x
  2. Step 2: Convert to fraction form
    8,130/13,347 = 13,347/x
  3. Step 3: Cross multiply
    8,130x = 13,347 × 13,347
  4. Step 4: Simplify right side
    8,130x = 178,142,409
  5. Step 5: Solve for x
    x = 178,142,409/8,130
  6. Step 6: Final answer
    x = 21,911.74

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.