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Finding the Third Proportional to 28,396.50 and 59,121

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Solution

The third proportional to 28,396.50 and 59,121 is: 123,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.50 : 59,121 = 59,121 : x
  2. Step 2: Convert to fraction form
    28,396.50/59,121 = 59,121/x
  3. Step 3: Cross multiply
    28,396.50x = 59,121 × 59,121
  4. Step 4: Simplify right side
    28,396.50x = 3,495,292,641
  5. Step 5: Solve for x
    x = 3,495,292,641/28,396.50
  6. Step 6: Final answer
    x = 123,088.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.