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Finding the Third Proportional to 18,910.13 and 28,603.13

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Solution

The third proportional to 18,910.13 and 28,603.13 is: 43,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.13 : 28,603.13 = 28,603.13 : x
  2. Step 2: Convert to fraction form
    18,910.13/28,603.13 = 28,603.13/x
  3. Step 3: Cross multiply
    18,910.13x = 28,603.13 × 28,603.13
  4. Step 4: Simplify right side
    18,910.13x = 818,138,759.77
  5. Step 5: Solve for x
    x = 818,138,759.77/18,910.13
  6. Step 6: Final answer
    x = 43,264.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.