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Finding the Third Proportional to 14,990 and 31,524

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Solution

The third proportional to 14,990 and 31,524 is: 66,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990 : 31,524 = 31,524 : x
  2. Step 2: Convert to fraction form
    14,990/31,524 = 31,524/x
  3. Step 3: Cross multiply
    14,990x = 31,524 × 31,524
  4. Step 4: Simplify right side
    14,990x = 993,762,576
  5. Step 5: Solve for x
    x = 993,762,576/14,990
  6. Step 6: Final answer
    x = 66,295.04

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.