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Finding the Third Proportional to 29,388 and 38,160

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Solution

The third proportional to 29,388 and 38,160 is: 49,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388 : 38,160 = 38,160 : x
  2. Step 2: Convert to fraction form
    29,388/38,160 = 38,160/x
  3. Step 3: Cross multiply
    29,388x = 38,160 × 38,160
  4. Step 4: Simplify right side
    29,388x = 1,456,185,600
  5. Step 5: Solve for x
    x = 1,456,185,600/29,388
  6. Step 6: Final answer
    x = 49,550.35

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.