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Finding the Third Proportional to 18,830 and 40,596

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Solution

The third proportional to 18,830 and 40,596 is: 87,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830 : 40,596 = 40,596 : x
  2. Step 2: Convert to fraction form
    18,830/40,596 = 40,596/x
  3. Step 3: Cross multiply
    18,830x = 40,596 × 40,596
  4. Step 4: Simplify right side
    18,830x = 1,648,035,216
  5. Step 5: Solve for x
    x = 1,648,035,216/18,830
  6. Step 6: Final answer
    x = 87,521.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.