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Finding the Third Proportional to 16,438 and 26,705

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Solution

The third proportional to 16,438 and 26,705 is: 43,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438 : 26,705 = 26,705 : x
  2. Step 2: Convert to fraction form
    16,438/26,705 = 26,705/x
  3. Step 3: Cross multiply
    16,438x = 26,705 × 26,705
  4. Step 4: Simplify right side
    16,438x = 713,157,025
  5. Step 5: Solve for x
    x = 713,157,025/16,438
  6. Step 6: Final answer
    x = 43,384.66

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.