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Finding the Third Proportional to 10,388 and 16,127

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Solution

The third proportional to 10,388 and 16,127 is: 25,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388 : 16,127 = 16,127 : x
  2. Step 2: Convert to fraction form
    10,388/16,127 = 16,127/x
  3. Step 3: Cross multiply
    10,388x = 16,127 × 16,127
  4. Step 4: Simplify right side
    10,388x = 260,080,129
  5. Step 5: Solve for x
    x = 260,080,129/10,388
  6. Step 6: Final answer
    x = 25,036.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.