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Finding the Third Proportional to 28,117.13 and 58,815

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Solution

The third proportional to 28,117.13 and 58,815 is: 123,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.13 : 58,815 = 58,815 : x
  2. Step 2: Convert to fraction form
    28,117.13/58,815 = 58,815/x
  3. Step 3: Cross multiply
    28,117.13x = 58,815 × 58,815
  4. Step 4: Simplify right side
    28,117.13x = 3,459,204,225
  5. Step 5: Solve for x
    x = 3,459,204,225/28,117.13
  6. Step 6: Final answer
    x = 123,028.38

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.