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Finding the Third Proportional to 12,873.75 and 28,208.25

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Solution

The third proportional to 12,873.75 and 28,208.25 is: 61,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.75 : 28,208.25 = 28,208.25 : x
  2. Step 2: Convert to fraction form
    12,873.75/28,208.25 = 28,208.25/x
  3. Step 3: Cross multiply
    12,873.75x = 28,208.25 × 28,208.25
  4. Step 4: Simplify right side
    12,873.75x = 795,705,368.06
  5. Step 5: Solve for x
    x = 795,705,368.06/12,873.75
  6. Step 6: Final answer
    x = 61,808.36

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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.