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Finding the Third Proportional to 4,984 and 6,540

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Solution

The third proportional to 4,984 and 6,540 is: 8,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984 : 6,540 = 6,540 : x
  2. Step 2: Convert to fraction form
    4,984/6,540 = 6,540/x
  3. Step 3: Cross multiply
    4,984x = 6,540 × 6,540
  4. Step 4: Simplify right side
    4,984x = 42,771,600
  5. Step 5: Solve for x
    x = 42,771,600/4,984
  6. Step 6: Final answer
    x = 8,581.78

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.