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Finding the Third Proportional to 19,136 and 29,109

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Solution

The third proportional to 19,136 and 29,109 is: 44,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136 : 29,109 = 29,109 : x
  2. Step 2: Convert to fraction form
    19,136/29,109 = 29,109/x
  3. Step 3: Cross multiply
    19,136x = 29,109 × 29,109
  4. Step 4: Simplify right side
    19,136x = 847,333,881
  5. Step 5: Solve for x
    x = 847,333,881/19,136
  6. Step 6: Final answer
    x = 44,279.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.