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Finding the Third Proportional to 20,725.88 and 31,875.19

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Solution

The third proportional to 20,725.88 and 31,875.19 is: 49,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.88 : 31,875.19 = 31,875.19 : x
  2. Step 2: Convert to fraction form
    20,725.88/31,875.19 = 31,875.19/x
  3. Step 3: Cross multiply
    20,725.88x = 31,875.19 × 31,875.19
  4. Step 4: Simplify right side
    20,725.88x = 1,016,027,578.16
  5. Step 5: Solve for x
    x = 1,016,027,578.16/20,725.88
  6. Step 6: Final answer
    x = 49,022.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.