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Finding the Third Proportional to 107,853.75 and 163,287

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Solution

The third proportional to 107,853.75 and 163,287 is: 247,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.75 : 163,287 = 163,287 : x
  2. Step 2: Convert to fraction form
    107,853.75/163,287 = 163,287/x
  3. Step 3: Cross multiply
    107,853.75x = 163,287 × 163,287
  4. Step 4: Simplify right side
    107,853.75x = 26,662,644,369
  5. Step 5: Solve for x
    x = 26,662,644,369/107,853.75
  6. Step 6: Final answer
    x = 247,211.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.