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Finding the Third Proportional to 14,346 and 20,538

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Solution

The third proportional to 14,346 and 20,538 is: 29,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346 : 20,538 = 20,538 : x
  2. Step 2: Convert to fraction form
    14,346/20,538 = 20,538/x
  3. Step 3: Cross multiply
    14,346x = 20,538 × 20,538
  4. Step 4: Simplify right side
    14,346x = 421,809,444
  5. Step 5: Solve for x
    x = 421,809,444/14,346
  6. Step 6: Final answer
    x = 29,402.58

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.