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Finding the Third Proportional to 21,044.25 and 45,765

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Solution

The third proportional to 21,044.25 and 45,765 is: 99,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.25 : 45,765 = 45,765 : x
  2. Step 2: Convert to fraction form
    21,044.25/45,765 = 45,765/x
  3. Step 3: Cross multiply
    21,044.25x = 45,765 × 45,765
  4. Step 4: Simplify right side
    21,044.25x = 2,094,435,225
  5. Step 5: Solve for x
    x = 2,094,435,225/21,044.25
  6. Step 6: Final answer
    x = 99,525.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.