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Finding the Third Proportional to 65,311 and 98,148

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Solution

The third proportional to 65,311 and 98,148 is: 147,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311 : 98,148 = 98,148 : x
  2. Step 2: Convert to fraction form
    65,311/98,148 = 98,148/x
  3. Step 3: Cross multiply
    65,311x = 98,148 × 98,148
  4. Step 4: Simplify right side
    65,311x = 9,633,029,904
  5. Step 5: Solve for x
    x = 9,633,029,904/65,311
  6. Step 6: Final answer
    x = 147,494.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.