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Finding the Third Proportional to 35,388 and 54,318

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Solution

The third proportional to 35,388 and 54,318 is: 83,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388 : 54,318 = 54,318 : x
  2. Step 2: Convert to fraction form
    35,388/54,318 = 54,318/x
  3. Step 3: Cross multiply
    35,388x = 54,318 × 54,318
  4. Step 4: Simplify right side
    35,388x = 2,950,445,124
  5. Step 5: Solve for x
    x = 2,950,445,124/35,388
  6. Step 6: Final answer
    x = 83,374.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.