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Finding the Third Proportional to 9,690 and 14,973

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Solution

The third proportional to 9,690 and 14,973 is: 23,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690 : 14,973 = 14,973 : x
  2. Step 2: Convert to fraction form
    9,690/14,973 = 14,973/x
  3. Step 3: Cross multiply
    9,690x = 14,973 × 14,973
  4. Step 4: Simplify right side
    9,690x = 224,190,729
  5. Step 5: Solve for x
    x = 224,190,729/9,690
  6. Step 6: Final answer
    x = 23,136.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.