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Finding the Third Proportional to 34,518 and 51,291

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Solution

The third proportional to 34,518 and 51,291 is: 76,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518 : 51,291 = 51,291 : x
  2. Step 2: Convert to fraction form
    34,518/51,291 = 51,291/x
  3. Step 3: Cross multiply
    34,518x = 51,291 × 51,291
  4. Step 4: Simplify right side
    34,518x = 2,630,766,681
  5. Step 5: Solve for x
    x = 2,630,766,681/34,518
  6. Step 6: Final answer
    x = 76,214.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.