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Finding the Third Proportional to 3,440 and 5,153

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Solution

The third proportional to 3,440 and 5,153 is: 7,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440 : 5,153 = 5,153 : x
  2. Step 2: Convert to fraction form
    3,440/5,153 = 5,153/x
  3. Step 3: Cross multiply
    3,440x = 5,153 × 5,153
  4. Step 4: Simplify right side
    3,440x = 26,553,409
  5. Step 5: Solve for x
    x = 26,553,409/3,440
  6. Step 6: Final answer
    x = 7,719.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.