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Finding the Third Proportional to 52,116 and 80,748

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Solution

The third proportional to 52,116 and 80,748 is: 125,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116 : 80,748 = 80,748 : x
  2. Step 2: Convert to fraction form
    52,116/80,748 = 80,748/x
  3. Step 3: Cross multiply
    52,116x = 80,748 × 80,748
  4. Step 4: Simplify right side
    52,116x = 6,520,239,504
  5. Step 5: Solve for x
    x = 6,520,239,504/52,116
  6. Step 6: Final answer
    x = 125,110.13

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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.