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Finding the Third Proportional to 65,790 and 101,763

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Solution

The third proportional to 65,790 and 101,763 is: 157,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790 : 101,763 = 101,763 : x
  2. Step 2: Convert to fraction form
    65,790/101,763 = 101,763/x
  3. Step 3: Cross multiply
    65,790x = 101,763 × 101,763
  4. Step 4: Simplify right side
    65,790x = 10,355,708,169
  5. Step 5: Solve for x
    x = 10,355,708,169/65,790
  6. Step 6: Final answer
    x = 157,405.50

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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.