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Finding the Third Proportional to 7,136 and 14,938

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Solution

The third proportional to 7,136 and 14,938 is: 31,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136 : 14,938 = 14,938 : x
  2. Step 2: Convert to fraction form
    7,136/14,938 = 14,938/x
  3. Step 3: Cross multiply
    7,136x = 14,938 × 14,938
  4. Step 4: Simplify right side
    7,136x = 223,143,844
  5. Step 5: Solve for x
    x = 223,143,844/7,136
  6. Step 6: Final answer
    x = 31,270.16

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.