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Finding the Third Proportional to 65,928 and 102,240

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Solution

The third proportional to 65,928 and 102,240 is: 158,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928 : 102,240 = 102,240 : x
  2. Step 2: Convert to fraction form
    65,928/102,240 = 102,240/x
  3. Step 3: Cross multiply
    65,928x = 102,240 × 102,240
  4. Step 4: Simplify right side
    65,928x = 10,453,017,600
  5. Step 5: Solve for x
    x = 10,453,017,600/65,928
  6. Step 6: Final answer
    x = 158,552.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.