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Finding the Third Proportional to 16,972 and 40,124

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Solution

The third proportional to 16,972 and 40,124 is: 94,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972 : 40,124 = 40,124 : x
  2. Step 2: Convert to fraction form
    16,972/40,124 = 40,124/x
  3. Step 3: Cross multiply
    16,972x = 40,124 × 40,124
  4. Step 4: Simplify right side
    16,972x = 1,609,935,376
  5. Step 5: Solve for x
    x = 1,609,935,376/16,972
  6. Step 6: Final answer
    x = 94,858.32

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.