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Finding the Third Proportional to 38,710 and 84,799

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Solution

The third proportional to 38,710 and 84,799 is: 185,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710 : 84,799 = 84,799 : x
  2. Step 2: Convert to fraction form
    38,710/84,799 = 84,799/x
  3. Step 3: Cross multiply
    38,710x = 84,799 × 84,799
  4. Step 4: Simplify right side
    38,710x = 7,190,870,401
  5. Step 5: Solve for x
    x = 7,190,870,401/38,710
  6. Step 6: Final answer
    x = 185,762.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.