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Finding the Third Proportional to 77,426 and 119,662

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Solution

The third proportional to 77,426 and 119,662 is: 184,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,426 : 119,662 = 119,662 : x
  2. Step 2: Convert to fraction form
    77,426/119,662 = 119,662/x
  3. Step 3: Cross multiply
    77,426x = 119,662 × 119,662
  4. Step 4: Simplify right side
    77,426x = 14,318,994,244
  5. Step 5: Solve for x
    x = 14,318,994,244/77,426
  6. Step 6: Final answer
    x = 184,937.80

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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.