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Finding the Third Proportional to 7,072 and 13,298

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Solution

The third proportional to 7,072 and 13,298 is: 25,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 13,298 = 13,298 : x
  2. Step 2: Convert to fraction form
    7,072/13,298 = 13,298/x
  3. Step 3: Cross multiply
    7,072x = 13,298 × 13,298
  4. Step 4: Simplify right side
    7,072x = 176,836,804
  5. Step 5: Solve for x
    x = 176,836,804/7,072
  6. Step 6: Final answer
    x = 25,005.20

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.