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Finding the Third Proportional to 28,574.25 and 62,685.75

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Solution

The third proportional to 28,574.25 and 62,685.75 is: 137,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.25 : 62,685.75 = 62,685.75 : x
  2. Step 2: Convert to fraction form
    28,574.25/62,685.75 = 62,685.75/x
  3. Step 3: Cross multiply
    28,574.25x = 62,685.75 × 62,685.75
  4. Step 4: Simplify right side
    28,574.25x = 3,929,503,253.06
  5. Step 5: Solve for x
    x = 3,929,503,253.06/28,574.25
  6. Step 6: Final answer
    x = 137,519.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.