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Finding the Third Proportional to 102,766 and 153,729

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Solution

The third proportional to 102,766 and 153,729 is: 229,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,766 : 153,729 = 153,729 : x
  2. Step 2: Convert to fraction form
    102,766/153,729 = 153,729/x
  3. Step 3: Cross multiply
    102,766x = 153,729 × 153,729
  4. Step 4: Simplify right side
    102,766x = 23,632,605,441
  5. Step 5: Solve for x
    x = 23,632,605,441/102,766
  6. Step 6: Final answer
    x = 229,965.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.