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Finding the Third Proportional to 40,786 and 54,894

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Solution

The third proportional to 40,786 and 54,894 is: 73,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786 : 54,894 = 54,894 : x
  2. Step 2: Convert to fraction form
    40,786/54,894 = 54,894/x
  3. Step 3: Cross multiply
    40,786x = 54,894 × 54,894
  4. Step 4: Simplify right side
    40,786x = 3,013,351,236
  5. Step 5: Solve for x
    x = 3,013,351,236/40,786
  6. Step 6: Final answer
    x = 73,882.00

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.