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Finding the Third Proportional to 7,908 and 18,660

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Solution

The third proportional to 7,908 and 18,660 is: 44,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908 : 18,660 = 18,660 : x
  2. Step 2: Convert to fraction form
    7,908/18,660 = 18,660/x
  3. Step 3: Cross multiply
    7,908x = 18,660 × 18,660
  4. Step 4: Simplify right side
    7,908x = 348,195,600
  5. Step 5: Solve for x
    x = 348,195,600/7,908
  6. Step 6: Final answer
    x = 44,030.80

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.