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Finding the Third Proportional to 3,117 and 6,602

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Solution

The third proportional to 3,117 and 6,602 is: 13,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117 : 6,602 = 6,602 : x
  2. Step 2: Convert to fraction form
    3,117/6,602 = 6,602/x
  3. Step 3: Cross multiply
    3,117x = 6,602 × 6,602
  4. Step 4: Simplify right side
    3,117x = 43,586,404
  5. Step 5: Solve for x
    x = 43,586,404/3,117
  6. Step 6: Final answer
    x = 13,983.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.