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Finding the Third Proportional to 48,392 and 72,588

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Solution

The third proportional to 48,392 and 72,588 is: 108,882

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,392 : 72,588 = 72,588 : x
  2. Step 2: Convert to fraction form
    48,392/72,588 = 72,588/x
  3. Step 3: Cross multiply
    48,392x = 72,588 × 72,588
  4. Step 4: Simplify right side
    48,392x = 5,269,017,744
  5. Step 5: Solve for x
    x = 5,269,017,744/48,392
  6. Step 6: Final answer
    x = 108,882

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.