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Finding the Third Proportional to 5,320 and 6,136

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Solution

The third proportional to 5,320 and 6,136 is: 7,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320 : 6,136 = 6,136 : x
  2. Step 2: Convert to fraction form
    5,320/6,136 = 6,136/x
  3. Step 3: Cross multiply
    5,320x = 6,136 × 6,136
  4. Step 4: Simplify right side
    5,320x = 37,650,496
  5. Step 5: Solve for x
    x = 37,650,496/5,320
  6. Step 6: Final answer
    x = 7,077.16

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.