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Finding the Third Proportional to 14,312 and 16,904

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Solution

The third proportional to 14,312 and 16,904 is: 19,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312 : 16,904 = 16,904 : x
  2. Step 2: Convert to fraction form
    14,312/16,904 = 16,904/x
  3. Step 3: Cross multiply
    14,312x = 16,904 × 16,904
  4. Step 4: Simplify right side
    14,312x = 285,745,216
  5. Step 5: Solve for x
    x = 285,745,216/14,312
  6. Step 6: Final answer
    x = 19,965.43

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.