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Finding the Third Proportional to 107,928 and 168,937.50

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Solution

The third proportional to 107,928 and 168,937.50 is: 264,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928 : 168,937.50 = 168,937.50 : x
  2. Step 2: Convert to fraction form
    107,928/168,937.50 = 168,937.50/x
  3. Step 3: Cross multiply
    107,928x = 168,937.50 × 168,937.50
  4. Step 4: Simplify right side
    107,928x = 28,539,878,906.25
  5. Step 5: Solve for x
    x = 28,539,878,906.25/107,928
  6. Step 6: Final answer
    x = 264,434.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.