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Finding the Third Proportional to 65,806 and 101,785

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Solution

The third proportional to 65,806 and 101,785 is: 157,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,806 : 101,785 = 101,785 : x
  2. Step 2: Convert to fraction form
    65,806/101,785 = 101,785/x
  3. Step 3: Cross multiply
    65,806x = 101,785 × 101,785
  4. Step 4: Simplify right side
    65,806x = 10,360,186,225
  5. Step 5: Solve for x
    x = 10,360,186,225/65,806
  6. Step 6: Final answer
    x = 157,435.28

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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.