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Finding the Third Proportional to 7,610 and 13,540

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Solution

The third proportional to 7,610 and 13,540 is: 24,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610 : 13,540 = 13,540 : x
  2. Step 2: Convert to fraction form
    7,610/13,540 = 13,540/x
  3. Step 3: Cross multiply
    7,610x = 13,540 × 13,540
  4. Step 4: Simplify right side
    7,610x = 183,331,600
  5. Step 5: Solve for x
    x = 183,331,600/7,610
  6. Step 6: Final answer
    x = 24,090.88

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.