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Finding the Third Proportional to 55,825 and 75,806

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Solution

The third proportional to 55,825 and 75,806 is: 102,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825 : 75,806 = 75,806 : x
  2. Step 2: Convert to fraction form
    55,825/75,806 = 75,806/x
  3. Step 3: Cross multiply
    55,825x = 75,806 × 75,806
  4. Step 4: Simplify right side
    55,825x = 5,746,549,636
  5. Step 5: Solve for x
    x = 5,746,549,636/55,825
  6. Step 6: Final answer
    x = 102,938.64

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.