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Finding the Third Proportional to 65,386 and 100,185

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Solution

The third proportional to 65,386 and 100,185 is: 153,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386 : 100,185 = 100,185 : x
  2. Step 2: Convert to fraction form
    65,386/100,185 = 100,185/x
  3. Step 3: Cross multiply
    65,386x = 100,185 × 100,185
  4. Step 4: Simplify right side
    65,386x = 10,037,034,225
  5. Step 5: Solve for x
    x = 10,037,034,225/65,386
  6. Step 6: Final answer
    x = 153,504.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.