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Finding the Third Proportional to 102,876 and 155,604

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Solution

The third proportional to 102,876 and 155,604 is: 235,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,876 : 155,604 = 155,604 : x
  2. Step 2: Convert to fraction form
    102,876/155,604 = 155,604/x
  3. Step 3: Cross multiply
    102,876x = 155,604 × 155,604
  4. Step 4: Simplify right side
    102,876x = 24,212,604,816
  5. Step 5: Solve for x
    x = 24,212,604,816/102,876
  6. Step 6: Final answer
    x = 235,357.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.