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Finding the Third Proportional to 7,040 and 15,364

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Solution

The third proportional to 7,040 and 15,364 is: 33,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040 : 15,364 = 15,364 : x
  2. Step 2: Convert to fraction form
    7,040/15,364 = 15,364/x
  3. Step 3: Cross multiply
    7,040x = 15,364 × 15,364
  4. Step 4: Simplify right side
    7,040x = 236,052,496
  5. Step 5: Solve for x
    x = 236,052,496/7,040
  6. Step 6: Final answer
    x = 33,530.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.