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Finding the Third Proportional to 7,136.63 and 10,144.13

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Solution

The third proportional to 7,136.63 and 10,144.13 is: 14,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.63 : 10,144.13 = 10,144.13 : x
  2. Step 2: Convert to fraction form
    7,136.63/10,144.13 = 10,144.13/x
  3. Step 3: Cross multiply
    7,136.63x = 10,144.13 × 10,144.13
  4. Step 4: Simplify right side
    7,136.63x = 102,903,272.02
  5. Step 5: Solve for x
    x = 102,903,272.02/7,136.63
  6. Step 6: Final answer
    x = 14,419.04

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.