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Finding the Third Proportional to 28,266.75 and 38,389.13

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Solution

The third proportional to 28,266.75 and 38,389.13 is: 52,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.75 : 38,389.13 = 38,389.13 : x
  2. Step 2: Convert to fraction form
    28,266.75/38,389.13 = 38,389.13/x
  3. Step 3: Cross multiply
    28,266.75x = 38,389.13 × 38,389.13
  4. Step 4: Simplify right side
    28,266.75x = 1,473,724,918.27
  5. Step 5: Solve for x
    x = 1,473,724,918.27/28,266.75
  6. Step 6: Final answer
    x = 52,136.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.