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Finding the Third Proportional to 4,981 and 11,730

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Solution

The third proportional to 4,981 and 11,730 is: 27,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981 : 11,730 = 11,730 : x
  2. Step 2: Convert to fraction form
    4,981/11,730 = 11,730/x
  3. Step 3: Cross multiply
    4,981x = 11,730 × 11,730
  4. Step 4: Simplify right side
    4,981x = 137,592,900
  5. Step 5: Solve for x
    x = 137,592,900/4,981
  6. Step 6: Final answer
    x = 27,623.55

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.