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Finding the Third Proportional to 5,157 and 10,683

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Solution

The third proportional to 5,157 and 10,683 is: 22,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157 : 10,683 = 10,683 : x
  2. Step 2: Convert to fraction form
    5,157/10,683 = 10,683/x
  3. Step 3: Cross multiply
    5,157x = 10,683 × 10,683
  4. Step 4: Simplify right side
    5,157x = 114,126,489
  5. Step 5: Solve for x
    x = 114,126,489/5,157
  6. Step 6: Final answer
    x = 22,130.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.