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Finding the Third Proportional to 6,988 and 15,136

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Solution

The third proportional to 6,988 and 15,136 is: 32,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988 : 15,136 = 15,136 : x
  2. Step 2: Convert to fraction form
    6,988/15,136 = 15,136/x
  3. Step 3: Cross multiply
    6,988x = 15,136 × 15,136
  4. Step 4: Simplify right side
    6,988x = 229,098,496
  5. Step 5: Solve for x
    x = 229,098,496/6,988
  6. Step 6: Final answer
    x = 32,784.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.