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Finding the Third Proportional to 45,720 and 99,754

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Solution

The third proportional to 45,720 and 99,754 is: 217,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720 : 99,754 = 99,754 : x
  2. Step 2: Convert to fraction form
    45,720/99,754 = 99,754/x
  3. Step 3: Cross multiply
    45,720x = 99,754 × 99,754
  4. Step 4: Simplify right side
    45,720x = 9,950,860,516
  5. Step 5: Solve for x
    x = 9,950,860,516/45,720
  6. Step 6: Final answer
    x = 217,647.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.