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Finding the Third Proportional to 6,984 and 16,320

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Solution

The third proportional to 6,984 and 16,320 is: 38,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984 : 16,320 = 16,320 : x
  2. Step 2: Convert to fraction form
    6,984/16,320 = 16,320/x
  3. Step 3: Cross multiply
    6,984x = 16,320 × 16,320
  4. Step 4: Simplify right side
    6,984x = 266,342,400
  5. Step 5: Solve for x
    x = 266,342,400/6,984
  6. Step 6: Final answer
    x = 38,136.08

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.