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Finding the Third Proportional to 28,378.75 and 59,698

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Solution

The third proportional to 28,378.75 and 59,698 is: 125,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.75 : 59,698 = 59,698 : x
  2. Step 2: Convert to fraction form
    28,378.75/59,698 = 59,698/x
  3. Step 3: Cross multiply
    28,378.75x = 59,698 × 59,698
  4. Step 4: Simplify right side
    28,378.75x = 3,563,851,204
  5. Step 5: Solve for x
    x = 3,563,851,204/28,378.75
  6. Step 6: Final answer
    x = 125,581.68

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.