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Finding the Third Proportional to 12,116 and 16,518

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Solution

The third proportional to 12,116 and 16,518 is: 22,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116 : 16,518 = 16,518 : x
  2. Step 2: Convert to fraction form
    12,116/16,518 = 16,518/x
  3. Step 3: Cross multiply
    12,116x = 16,518 × 16,518
  4. Step 4: Simplify right side
    12,116x = 272,844,324
  5. Step 5: Solve for x
    x = 272,844,324/12,116
  6. Step 6: Final answer
    x = 22,519.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.